Name  Uni/Work  Location  Description 

Tim Abbott  MIT  Massachusetts, USA 
Full debianization of Sage
contributions 
Michael Abshoff  Universität Dortmund  Dortmund, Germany 
contributed to release management
work on build system for Windows, OS X, and Linux OS X installer tons of general advice valgrind support Solaris and Linux PPC port contributions 
Antti Ajanki 
contributions 

Martin Albrecht  graduate student, Information Security Group, Royal Holloway, University of London  London, UK 
release manager
sage.crypto.mq commutative algebra (Singular interface, libSingular, PolyBoRi) efficient lowlevel arithmetic dense linear algebra, especially over GF(2) contributions 
Nick Alexander  UC Irvine graduate student  Irvine, CA 92697, USA 
contributions 
Bill Allombert 
help with PARI and GP2C integration
contributions 

Ethan Van Andel  Calvin College, MI  3201 Burton Street, Southeast Grand Rapids, MI 49546, USA 
calculus
contributions 
Ivan Andrus  Adobe Systems Inc.  Lehi, Utah, USA 
OS X app
iPhone app sagemode for Emacs contributions 
Pablo Angulo  Professor, Department of Mathematics, Universidad Autónoma de Madrid  Madrid, Spain 
calculus
contributions 
Benjamin Antieau 
bug fixes
contributions 

André Apitzsch  OttovonGuerickeUniversität Magdeburg  Magdeburg, Germany 
commutative algebra
documentation number theory contributions 
Maite Aranes  graduate student, Warwick Mathematics Institute, University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, UK 
number field ideal utilities
contributions 
Oscar Gerardo Lazo Arjona  Student, Universidad Autónoma de Yucatán  21.0488082, 89.6416569 
3D plotting
contributions 
Eviatar Bach  Vancouver, Canada 
Combinatorics
bug fixes contributions 

Jennifer Balakrishnan  PhD student, MIT  Cambridge, USA 
LaTeX mode for MAGMA
work on computation of padic heights contributions 
Serge Ballif  Nevada State College  Nevada State College, NV, USA 
latin square functions
contributions 
Jason Bandlow  Postdoctoral fellow, UCDavis  Davis, CA, USA 
combinat package
contributions 
Gregory Bard 
dense linear algebra over GF(2)
contributions 

Sébastien Barthélemy  UPMC  Université Pierre et Marie Curie  4 place jussieu, 75005 Paris, France 
documentation
cddlib update bug fixes contributions 
Rob Beezer  Professor, University of Puget Sound  1500 N Warner, Tacoma, WA, 98416 USA 
linear algebra
graph theory group theory education contributions 
Karim Belabas 
contributions 

Arnaud Bergeron  Université de Montréal  Montreal, QC, Canada 
bug fixes
plotting improvements contributions 
Luis Berlioz 
bug fix
optimize basis matrix for ambient modules contributions 

Erin Beyerstedt  PhD student, Mathematics Department, Tulane University  823 St Charles Ave, New Orleans, LA 70118, United States 
elliptic curves
contributions 
Francois Bissey  University of Canterbury, New Zealand  University of Canterbury, New Zealand 
various QA
sageongentoo contributions 
Jonathan Bober  graduate student, University of Michigan  MI 48109, USA 
highly optimized partition function
contributions 
Tom Boothby  undergraduate student employee, University of Washington  University of Washington, WA, USA 
the Sage Notebook
fast polynomial evaluation contributions 
Nicolas Borie  PhD student, Universite ParisSud  France 
combinat (Root system, invariant theory)
contributions 
Johan Bosman  Postdoctoral fellow, Mathematics Institute, University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, United Kingdom 
algebra
contributions 
Robert Bradshaw  University of Washington  University of Washington, WA, USA 
Cython
number theory linear algebra coercion basic arithmetic contributions 
Volker Braun  Mathematical Institute, Oxford University  Oxford, UK 
Toric geometry package
polyhedra and PPL interface triangulations contributions 
Michael Brickenstein  Mathematisches Forschungsinstitut Oberwolfach  OberwolfachWalke, Germany 
PolyBoRi author (highlevel algorithms, primary designer)
contributions 
Nils Bruin 
miscellaneous useful code snippets
contributions 

AndréPatrick Bubel  student, Universität Heidelberg  Maybachstr. 14, 68169 Mannheim, Germany 
documentation
contributions 
Stanislav Bulygin  Postdoctoral fellow, Center for Advanced Security Research Darmstadt (CASED)  64293 Darmstadt, Germany 
cryptography
contributions 
Dan Bump  Stanford University  Stanford, CA, USA 
combinatorics and representation theory
contributions 
Iftikhar Burhanuddin  Postdoctoral fellow, UCLA  Westwood Village, Los Angeles, California, USA 
feedback
code examples supersingular module contributions 
Paul Butler  University of Waterloo  200 University Avenue West, Waterloo, Ontario, Canada 
indefinite integration for piecewise functions
calculus bug fixes contributions 
James Campbell  Student, Cardiff University  Cardiff, United Kingdom 
Game Theory
contributions 
Oriol Castejón  Universitat Politècnica de Catalunya  C/ Jordi Girona, 31 08034 Barcelona, Spain 
calculus
packaging contributions 
Ondrej Certik  graduate physics student, Charles University  Prague, Czech Republic 
Sympy Integration
founder of Sympy project contributions 
Wilson Cheung  sysadmin, UCSD  San Diego, CA 92093, USA 
compilation of Sage on Solaris
discussion of Sage build process contributions 
Dan Christensen  Associate Professor, Department of Mathematics, The University of Western Ontario  London, Ontario N6A 5B7, Canada 
optimize certain combinatorial constructions
contributions 
Craig Citro  UCLA  Los Angeles, CA, USA 
fast computation of Eisenstein series
code and bug fixes in modular forms number theory the NTL and PARI interfaces contributions 
Anders Claesson  Associate Professor, The Mathematics Institute, Reykjavík University  Kringlan 1, 103 Reykjavik, Iceland 
optimizing certain combinatorial operations
contributions 
Francis Clarke  Department of Mathematics, University of Wales  Swansea, UK 
bug fixes
contributions 
Timothy Clemans  high school student  Seattle, WA, USA 
Notebook
misc. contributions 
Alex Clemesha  employee, University of Washington  University of Washington, WA, USA 
Sage's 2D plotting functionality
design examples constants.py contributions 
Nathann Cohen  CNRS researcher  University ParisSud, France 
Graph Theory
Linear Programming documentation contributions 
Jenny Cooley  undergraduate student, University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, UK 
elliptic curves
contributions 
David Coudert  Researcher, INRIA  Sophia Antipolis, France 
Graph Theory
Linear programming contributions 
John Cremona  Professor, University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, UK 
many contributions to elliptic curve code
C++ part of Sage interface to mwrank, Tables extensive design discussions documentation fixes bug fixes organize Sage Days 6 contributions 
KarlDieter Crisman  Gordon College  Wenham, MA, USA 
Documentation
Symbolics contributions 
Fidel Barrera Cruz  graduate student, Department of Combinatorics and Optimization, University of Waterloo  200 University Avenue, West Waterloo, Ontario, Canada 
LaTeX output for combinatorial graphs
contributions 
Doug Cutrell  graduate student, UCSD  San Diego, CA, USA 
created the Sage Microsoft Windows installer
contributions 
Alyson Deines 
contributions 

Vincent Delecroix  PhD student, Institut de Mathématiques de Luminy, Université AixMarseille  163 Avenue de Luminy 13009 Marseille, France 
combinatorics, documentation
contributions 
Jeroen Demeyer  Postdoc, Ghent University  Galglaan 2, Gent, Belgium 
PARI interface
Integer factorisation c_lib, interrupt handling contributions 
Tom Denton  graduate student, Department of Mathematics, UC Davis  One Shields Avenue, Davis, CA 95616, USA 
nonsymmetric Macdonald polynomials with permuted basements
contributions 
Maarten Derickx  University of Leiden  Rapenburg 70 2311 EZ Leiden, Netherlands 
algebra
contributions 
Didier Deshommes  Cary, NC, USA 
documentation
optimizations quaddouble wrapper spkg restructuring porting Sage to NexentasOS contributions 

Ryan Dingman  University of Washington  University of Washington, WA, USA 
graph theory
contributions 
Dan Drake  Korea Advanced Institute of Science and Technology (KAIST)  Daejeon, South Korea 
Rencontres numbers
inverse trigonometry Wronskian function docstrings logging SageTex contributions 
Tom Draper 
support is_primitive() method for polynomials over Finite Fields
contributions 

Alexander Dreyer  Fraunhofer ITWM  Kaiserslautern, Germany 
PolyBoRi author (lowlevel routines, project infrastructure)
contributions 
Tim Dumol  HS Student  Manila, Philippines 
Sage Notebook improvements
Reviews Minor fixes contributions 
Nathan Dunfield 
small patches
improvements to algdep documentation contributions 

Gabriel Ebner  undergraduate student, Technical University of Vienna  Vienna, Austria 
multinomial coefficient
contributions 
Ben Edwards  PhD student, Department of Computer Science, University of New Mexico  Albuquerque, NM 87131, United States 
graph theory
contributions 
Dana Ernst  Assistant Professor, Mathematics Department, Plymouth State University  17 High Street, Plymouth, NH 032641595, United States 
calculus
contributions 
Burcin Erocal  PhD student, RISC  Linz  48.366126, 14.513884 
integrating the PolyBoRi framework
contributions 
Ron Evans  University of California, San Diego  9500 Gilman Drive, La Jolla, San Diego, California, USA 
bug fix
documentation contributions 
Richard J. Fateman  Professor Emeritus, Department of Electrical Engineering and Computer Sciences, University of California at Berkeley  Berkeley, California 947201776, USA 
contributions 
Lars Fischer 
contributions 

JeanPierre Flori  Telecom ParisTech  46 Rue Barrault, 75013 Paris, France 
documentation
contributions 
Evan Fosmark  Amity, Oregon, USA 
Sage notebook
contributions 

Laurent Fousse  Debian Project  Grenoble, France 
calculus
contributions 
Gary Furnish  University of Utah  Utah, USA 
Cython
symbolics miscellaneous contributions 
Alex Ghitza  The University of Melbourne  Parkville, Melbourne, Australia 
pari interface
modular forms, elliptic curves, number fields miscellaneous algebra documentation contributions 
Andrzej Giniewicz  Ph.D. student, Institute of Mathematics and Computer Science, Wroclaw University of Technology  Wroclaw, Poland 
small build fixes
contributions 
Alain Giorgetti 
documentation
contributions 

Samuele Giraudo  PhD student, Université de ParisEst (MarnelaVallée)  6 Bd DesCartes, 77420 CHAMPS SUR MARNE, France 
combinatorics
contributions 
Amy Glen  Lecturer in Mathematics, School of Chemical and Mathematical Sciences, Murdoch University  90 South Street, Murdoch, Western Australia, Australia 
SageWords coauthor
contributions 
Daniel Gordon  researcher, IDA Center For Communications Research  San Diego, CA, USA 
covering design
contributions 
Chris Gorecki  University of Washington  University of Washington, WA, USA 
Sage's logic package
contributions 
Jan Groenewald  IT Manager; African Institute for Mathematical Sciences  AIMS; Muizenberg; Cape Town; South Africa 
Advocacy
Bug fixes Build Documentation Feedback Ubuntu support contributions 
Rob Gross 
contributions 

Jason Grout  Postdoctoral fellow, Iowa State University  Ames, Iowa, USA 
graph theory
tidbits of the notebook linear algebra various other things contributions 
Ryan Grout  undergraduate student  Provo, UT, USA 
graphics
contributions 
Mathieu GuayPaquet  University of Waterloo  200 University Avenue, West Waterloo, ON N2L 3G1, Canada 
algebra
combinatorics contributions 
Alexey U. Gudchenko  107241, 1918, Amurskaya street, Moscow, Russia 
interfaces
contributions 

Harold Gutch  PhD student, Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and SelfOrganization  Goettingen, Germany 
build system
contributions 
Jonathan Gutow  Chemistry Department, University of Wisconsin Oshkosh  Oshkosh, Wisconsin, USA 
graphics
contributions 
Jose Guzman  Institute of Science and Technology Austria  Am Campus 1, 3400 Klosterneuburg, Austria 
documentation
contributions 
Benjamin Hackl  AlpenAdriaUniversität Klagenfurt  Klagenfurt, Austria 
Asymptotics
Symbolics contributions 
Anna Haensch  graduate student, Department of Mathematics and Computer Science, Wesleyan University  70 Wyllys Avenue, Middletown, CT 064573226, United States 
documentation
contributions 
Carlo Hamalainen  Eduard Čech Center, Charles University, Prague  Prague, Czech Republic 
Latin squares
dancing links C++ code bug fixes bug reports contributions 
Marshall Hampton  Minnesota Duluth  Duluth, MN, USA 
gfan interface
polyhedra phcpack interface and spkg biopython package maintainer contributions 
Jon Hanke  UGA Faculty  Athens, GA, USA 
quadratic forms package
quadratic_forms directory contributions 
David Møllerller Hansen  Masters graduate, Technical University of Denmark  Copenhagen, Denmark 
Weil pairing framework
contributions 
Mike Hansen  University of Washington  Seattle, WA, USA 
Combinatorics package
bug fixes contributions 
Bill Hart  University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, UK 
complete implementation of quadratic sieve
created FLINT (fast arithmetic library) contributions 
David Harvey  NYU  NYU, NY, USA 
padic heights
arithmetic architecture Bernoulli numbers mod p FLINT other random things contributions 
Clemens Heuberger  AlpenAdriaUniversität Klagenfurt  Klagenfurt, Austria 
Finite State Machines
contributions 
Jason B Hill  University of Colorado Boulder  Boulder, Colorado, USA 
permutation groups
notebook shell scripting contributions 
Leif Hille 
contributions 

Florent Hivert  Professor, Laboratoire de Recherche en Informatique  University ParisSud, France 
combinatorics (design and code)
various bug fixes contributions 
Ryan Hinton 
contributions 

Neal Holtz  Carleton University  Ottawa, ON, Canada 
NewtonRaphson Root Finding interact demonstration
contributions 
Golam Mortuza Hossain  Postdoctoral fellow, Indian Institute of Science Education and Research  IISER, Kolkata, India 
symbolics
contributions 
Sean Howe  University of Washington REU  University of Washington, WA, USA 
Bruhat ordering of the symmetric group
contributions 
Alexander Hupfer  Universität Regensburg  Universitaetsstr. 31, 93053 Regensburg, Germany 
notebook enhancements
contributions 
Wilfried Huss  PhD student, Graz University of Technology  TU Gratz, Austria 
calculus bug fixes
additions to the Maxima interface contributions 
Benjamin Hutz  Assistant Professor of Mathematics, Florida Institute of Technology  Melbourne, FL USA 
arithmetic dynamics
complex dynamics projective/affine schemes contributions 
Hamish IveyLaw  Université de la Méditerranée, France; University of Sydney, Australia 
bug fixes
contributions 

Naqi Jaffery  UCSD undergraduate student  San Diego, CA 92093, USA 
Examples
contributions 
Amit Jamadagni  Student, Dept. Mathematics, BITS Pilani  Goa, India 
bug fixes
contributions 
Peter Jeremy  Sydney, Australia 
porting packages to FreeBSD
contributions 

Peter Jipsen  Professor, Chapman University  Orange, California, USA 
posets package
contributions 
Fredrik Johansson  Chalmers University of Technology  Sven Hultins gata 6, 41258 Goeteborg, Sweden 
bug fixes
basic arithmetics contributions 
Niles Johnson  Athens, Clarke County, Georgia 30602, United States 
algebra
basic arithmetic documentation symbolics contributions 

Timo Jolivet  PhD student: LIAFA, Paris, France; University of Turku, Finland  Turku, Finland 
combinatorics
contributions 
Benjamin Jones  Reasearch and Engineering at Galois Inc.  Portland, OR, USA 
symbolics
group theory doctest documentation plot3d contributions 
David Joyner  Professor, US Naval Academy  Annapolis, MD, USA 
feedback
documentation (tutorial, install guide) and code contributions 
Michael Kallweit  RuhrUniversität Bochum, Deutschland  Bochum, Germany 
Graph Theory fixes
miscellaneous bug fixes contributions 
Josh Kantor  graduate student, University of Washington  University of Washington, WA, USA 
3D interactive graphics (via soya3d)
integrating Fortran software contributions 
Kiran Kedlaya  Professor, MIT  Cambridge, USA 
Macaulay 2 interface
item for install guide padics contributions 
Lloyd Kilford  Research Fellow, University of Bristol  Tyndall Avenue, Bristol BS8 1TH, UK 
bug fix
modular forms contributions 
Simon King  FriedrichSchillerUniversität Jena  FriedrichSchillerUniversity Jena, Germany 
Modular group cohomology
Infinite polynomial rings (lib) Singular Fast linear algebra Categories and Coercion contributions 
Keshav Kini  Graduate Student, UT Austin  Austin, USA 
documentation
contributions 
David Kirkby 
Compilation of Sage on Solaris
much help on general Sage build process contributions 

Emily Kirkman  undergraduate student employee, University of Washington  University of Washington, WA, USA 
documentation
graph theory contributions 
Vincent Knight  Lecturer, Cardiff University  Cardiff, United Kingdom 
Game Theory
contributions 
David Kohel  Professor, University of Sydney  163 Avenue de Luminy 13009 Marseille, France 
substantial design discussion and code
contributions 
Przemysław Koprowski  University of Silesia, Faculty of Mathematics  Poland, Katowice 
(computational) theory of quadratic forms
real algebraic geometry computational number theory contributions 
Ted Kosan  Shawnee State University  Ohio, USA 
Sage/Java/Applet integration
Sage for newbies book marketing contributions 
Daniel Krenn  TU Graz, Austria  Graz, Austria 
misc
bug fixes contributions 
Sara Kropf  AlpenAdriaUniversität Klagenfurt  Klagenfurt, Austria 
Finite State Machines
contributions 
Ross Kyprianou  PhD student, The University of Melbourne  Parkville, Melbourne, Australia 
documentation
contributions 
Sébastien Labbé  Postdoctoral fellow, LIAFA, University ParisDiderot Paris 7  48.82715, 2.3809 
combinatorics
discrete geometry words quantumino solver bug fixes visualization contributions 
Yann LaigleChapuy  PhD student, INRIA  Rocquencourt, Paris, France 
PohligHellman algorithm for discrete logarithms, optimized gcd
contributions 
Lukáš Lánský  Charles University, Prague  Hradec Kralove, Czech Republic 
graph theory
combinatorial game theory contributions 
Kwankyu Lee  Chosun University  Gwangju, Korea 
bug fixes
contributions 
Julien Leroy  LAMFA, Université de Picardie Jules Verne  80000 Amiens, France 
combinatorics
contributions 
Richard Lindner  Technische Universität Darmstadt  Karolinenplatz 5, 64289 Darmstadt, Germany 
cryptography
contributions 
David Loeffler  University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, UK 
additions and improvements to modular forms code
bug fixes contributions 
Miguel Marco  Universidad de Zaragoza  Zaragoza, Spain 
linear algebra
polynomial rings free and finitely presented groups braid groups contributions 
Michael Mardaus  Universität Mainz  55122, Mainz, Germany 
point counting code
contributions 
Robert Mařík  Department of Mathematics, Mendel University in Brno  61300 Brno, Czech Republic 
basic arithmetic
calculus Sage notebook standard packages symbolics contributions 
Jason Martin  James Madison University  Harrisonburg, VA, USA 
GMP assembly code improvements
linear algebra work on Sage 64bit build contributions 
Alexandre Blondin Massé  PhD student; Laboratoire de combinatoire et d'informatique mathématique (LaCIM), Université du Québec à Montréal; Laboratoire de mathématique (LAMA), Université de Savoie  201 Avenue Du PresidentKennedy, Montreal, QC, Canada 
combinatorics
contributions 
Andrew Mathas  University of Sydney  Sydney, Australia 
algebraic combinatorics
partitions tableaux Specht modules ... contributions 
Peter McNamara  Department of Mathematics, Bucknell University  Lewisburg, PA 17837, USA 
combinatorics
contributions 
Gregory McWhirter  graduate student, Department of Logic and Philosophy of Science, University of California at Irvine  University Dr, Irvine, CA 92697, United States 
graph theory
contributions 
Jason Merrill  Yale University  Kansas, USA 
calculus improvements
bug fixes contributions 
Matthias Meulien  Research engineer, XLIM  123, avenue Albert Thomas, 87060 Limoges Cedex, France 
GAP interface bug fix
contributions 
Robert Miller  graduate student, University of Washington  University of Washington, WA, USA 
graph theory
contributions 
Kate Minola  University of Maryland  College Park, MD, USA 
improvement on building Sage components
contributions 
Moritz Minzlaff  PhD student, Technische Universität Berlin  Berlin, Germany 
algebraic geometry
contributions 
Joel Mohler  Lehigh  Bethlehem, PA, USA 
extensive improvements all over
especially to basic arithmetic, number theory etc contributions 
Thierry Monteil  research fellow, CNRS  Montpellier, France 
bug fixes
combinatorics (words, graphs) dynamics (translation surfaces, tilings) organized Sage Days 20 and Sage Days 28 contributions 
Peter Mora  PhD student, Institute of Mathematics, Budapest University of Technology and Economics  Budafoki ut 3 1117 XI. kerulet, Budapest, Hungary 
internationalization bug fixes
contributions 
Bobby Moretti  undergraduate student employee, University of Washington  University of Washington, WA, USA 
Sage library distribution
Sage chroot jail Sage .deb Calculus package contributions 
Rich Morin 
contributions 

Guillaume Moroz  LIP6/INRIA  France 
Singular interface improvements
contributions 
Gregg Musiker  graduate student, UCSD  San Diego, CA 92093, USA 
Maple interface
documentation design contributions 
Tobias Nagel  Universität Mainz  55122, Mainz, Germany 
point counting code
contributions 
Brett Nakashima  University of Washington  Seattle, USA 
contributions to the finance module
contributions 
Pablo De Nápoli  University of Buenos Aires  Buenos Aires, Argentina 
bug fixes
contributions 
Johan Sebastian Rosenkilde Nielsen  Technical University of Denmark  Anker Engelunds Vej 1, 2800 Kongens Lyngby, Denmark 
algebra
documentation miscellaneous contributions 
Minh Van Nguyen  Melbourne, Australia 
cryptography
graph theory release management website maintainer miscellaneous bug fixes documentation work contributions 

Andrey Novoseltsev  University of Alberta, postdoc  Edmonton, Canada 
toric geometry
contributions 
Christopher Olah  hacklab.to  Toronto, Canada 
miscellaneous
contributions 
Johan Oudinet  Karlsruhe Institute of Technology  Karlsruhe, Germany 
documentation
contributions 
Bill Page 
Sage's AXIOM interface
contributions 

Ronan Paixão  Brazil 
author of the SageScilab interface
contributions 

Willem Jan Palenstijn  graduate student, Leiden  Leiden, Netherlands 
Benchmarking parser
doctest timing difficult fpLLL bug fix and much more contributions 
John Palmieri  Department of Mathematics, University of Washington  University of Washington, WA, USA 
bug fixes
contributions 
Dmitrii Pasechnik  Department of Computer Science, Oxford University  Oxford, UK 
packaging
commutative algebra group theory contributions 
Javier López Peña  Mathematics Research Centre, Queen Mary University of London  London E1 4NS UK 
categories
contributions 
Paulo César Pereira de Andrade  Mandriva Linux  Curitiba, Brazil 
packages
contributions 
David Perkinson  Professor, Department of Mathematics, Reed College  Reed College, 3203 SE Woodstock Blvd, Portland, OR 97202, USA 
bug fix for Laplacian matrix
contributions 
Clement Pernet  University of Washington  University of Washington, WA, USA 
LinBox maintainer
LinBox and Givaro integration bug fixes contributions 
John Perry  University of Southern Mississippi  Hattiesburg, MS, USA 
bug fixes
the Sage wiki contributions 
Pearu Peterson  Senior Researcher, Laboratory of Systems Biology, Institute of Cybernetics at TUT  Tallinn, Estonia 
optimized multinomial coefficient computation
contributions 
David PoetzschHeffter 
notebook
contributions 

Viviane Pons  PhD student, Maitre de Conférence, LRI, Université ParisSud Orsay  University ParisSud Orsay 
combinatorics
multivariate polynomials algebra contributions 
Amritanshu Prasad  The Institute of Mathematical Sciences  Chennai, India 
contributed vector partitions and similarity class types to sage.combinat
contributions 
Punarbasu Purkayastha  Research Fellow, Nanyang Technological University, Singapore  Singapore, SG 
plot
coding theory contributions 
Bill Purvis 
contributions 

Julien Puydt  Grenoble, France 
porting
contributions 

Yi Qiang  undergraduate student employee, University of Washington  University of Washington, WA, USA 
Distributed Sage (in progress)
contributions 
Jordi Quer  Universitat Politecnica de Catalunya  Barcelona, Spain 
modular symbols and dimension formulas for congruence subgroups Gamma_H(N)
contributions 
Alex Raichev  University of Auckland  Auckland, New Zealand 
Analytic combinatorics
contributions 
Gustavo Rama  Universidad de la República  Eduardo Acevedo, Montevideo, Uruguay 
quadratic forms
contributions 
Jens Rasch 
calculus
contributions 

Martin Raum  ETH Zürich  Zurich, Switzerland 
algebra
modular forms psage contributions 
Dorian Raymer  UCSD  San Diego, CA 92093, USA 
The notebook's documentation browser
contributions 
Stefan Reiterer  University of Graz  Graz, Austria 
packaging
contributions 
Risan  Nanyang Technological University, Singapore  Tangerang, Indonesia 
Arbitrary Precision LP Solver Backend
contributions 
R. Rishikesh  University of Waterloo  Waterloo, Ontario, Canada 
automated testing of SAGE_ROOT/examples
bug fixes, etc contributions 
David Roe  graduate student, Harvard University  Cambridge, MA, USA 
Macaulay 2 interface
optimized padics and so so much more contributions 
Bjarke Hammersholt Roune  PhD student, Department of Computer Science, University of Aarhus  Aarhus, Denmark 
Integrator
author of Frobby (Monomial ideals) contributions 
Gordon Royle 
contributions 

Serge A. Salamanka  National Academy of Sciences, UIIP  Minsk, Belarus 
SageGrid project http://groups.google.com/group/sagegrid
contributions 
Franco Saliola  Postdoctoral fellow, Université du Québec à Montréal  Montreal, Quebec, Canada 
posets package
contributions 
Ben Salisbury  Assistant Professor, Central Michigan University  Mount Pleasant, MI, USA 
crystals
representation theory combinatorics contributions 
Leonardo Sampaio  PhD student, INRIA/I3S (CNRS, UNS)  Sophia Antipolis, 06560 Valbonne, France 
graph theory
linear programming contributions 
Kyle Schalm  graduate student, University of Texas at Austin  Austin, TX, USA 
feedback
bugs (and fixes) MPFR integration contributions 
Ed Scheinerman  Professor, Department of Applied Mathematics & Statistics, Johns Hopkins University  Shaffer Hall 102, 3400 North Charles Street, Baltimore, MD 21218, United States 
graph theory
contributions 
Anne Schilling  Professor, UCDavis  Davis, CA, USA 
Crystals code
contributions 
Harald Schilly  University of Vienna  Vienna, Austria 
webmaster
R/Sage interface marketing management contributions 
Jack Schmidt  University of Kentucky  Lexington, Kentucky, USA 
group theory
contributions 
Michael Schneider  PhD student, Technische Universität Darmstadt  Karolinenplatz 5, 64289 Darmstadt, Germany 
cryptography
contributions 
Christopher Schwan  Theoretical High Energy Physics (THEP), JohannesGutenbergUniversität Mainz  Staudingerweg 9, 55122 Mainz, Germany 
build system
notebook contributions 
Travis Scrimshaw  UC Davis  PhD student  Tracy, CA, USA 
Crystals
representation theory programming contributions 
Dag Sverre Seljebotn  Master's student, Institute of Theoretical Astrophysics, University of Oslo  0313 Oslo, Norway 
interface between NumPy and Cython
linear algebra contributions 
Dan Shumow  University of Washington  University of Washington, WA, USA 
bug fixes
contributions 
Denis Simone 
contributions 

Steven Sivek  graduate student, Princeton University  Princeton, NJ, USA 
interface to Sloane's Tables
algebraic number fields contributions 
NilsPeter Skoruppa  Universität Siegen  Universitaet Siegen, Germany 
optimized binary quadratic forms computation
bug fixes contributions 
Juan Viu Sos  PhD Student, Université de Pau et des Pays de l'Adour  64000 Pau, France 
polynomial rings
polyhedron algebraic geometry contributions 
Jaap Spies  Emmen, Netherlands 
permanents of general matrices
Sloane functions bug fixes contributions 

Jonathan Spreer  University of Stuttgart  Stuttgart, Germany 
documentation
contributions 
Hayden Stainsby  PhD student, Universitat Autònoma de Barcelona  Barcelona, Spain 
algorithmic number theory
I'm actually from australia contributions 
Štěpán Starosta  Faculty of Information Technology, Czech Technical University in Prague  Prague, Czech Republic 
combinatorics
contributions 
William Stein  Professor, University of Washington  1212 E Barclay Ct, Seattle, WA 98122, USA 
project leader
community manager software architect started Sage project contributions 
Armin Straub  Tulane University  6823 St. Charles Avenue, New Orleans, LA 70118, United States 
basic arithmetic
elliptic curves contributions 
Marco Streng  DIAMANTpostdoc  VU University, Amsterdam 
number fields
algebraic curves contributions 
Kevin Stueve  undergraduate student, University of Washington  University of Washington, WA, USA 
number theory
contributions 
Christian Stump  Postdoctoral Fellow, Centre de Recherches Mathématiques (Université de Montréal) and Laboratoire de Combinatoire et d'Informatique Mathématique (Université du Québec à Montréal) 
combinatorics
graph theory contributions 

Blair Sutton  London, UK 
Bell polynomials
contributions 

Chris Swierczewski  Graduate student in applied mathematics, University of Washington  University of Washington, WA, USA 
algebraic curves
integrable systems Riemann theta functions contributions 
Luis Felipe Tabera Alonso  Universidad de Cantabria  Santander, Spain 
algebra
basic arithmetic number fields contributions 
Glenn Tarbox  THG Holdings  Seattle, USA 
bug fixes
contributions 
Philippe Theveny  LORIA  Nancy, France 
mpc.spkg, mpc bindings
contributions 
Nicolas Thiery  Université Paris Sud, Faculty  University ParisSud, France 
Crystals code, combinatorics design
contributions 
Griffen Thoma 
plotting bug fix
contributions 

Hugh Thomas  Department of Mathematics, University of New Brunswick  University of New Brunswick, Fredericton, New Brunswick, Canada 
contributions 
Emmanuel Thomé  Researcher, INRIA  Nancy, France 
number fields
contributions 
John Thurber  Eastern Oregon University  La Grande, Oregon, USA 
documentation
graph theory contributions 
Igor Tolkov  University of Washington  Seattle, USA 
work on Interact
contributions 
Gonzalo Tornaria  Montevideo, Uruguay 
sage/latex style
extensive feedback design use of darcs system tons of tricky C code related to the PARI interface hashing of GMP types etc contributions 

Adam Towsley  Visiting Assistant Professor, Department of Mathematics, CUNY Graduate Center  365 5th Avenue, New York, NY 
Arithmetic Dynamics
Algebraic Number Theory Arithmetic Geometry contributions 
Kiminori Tsukazaki  University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, United Kingdom 
elliptic curves
contributions 
Charlie Turner  University of Warwick  Gibbet Hill Rd, Coventry CV4 7AL, UK 
algebraic geometry
contributions 
Michel Vandenbergh 
multivariate polynomials
bug fixes, other improvements contributions 

Joris Vankerschaver  Department of Mathematics, University of California at San Diego  9500 Gilman Drive, San Diego, CA 92093, United States 
doctesting
numerical methods symbolics contributions 
Soledad Villar  Universidad de la República  Eduardo Acevedo, Montevideo, Uruguay 
algebra
contributions 
John Voight  University of Vermont  Burlington, VT, USA 
Totally Real Fields
contributions 
Felipe Voloch  Professor, Department of Mathematics, University of Texas at Austin  2100 San Jacinto Boulevard, Austin, TX 787121047, United States 
elliptic curves
contributions 
Steve Vonn 
contributions 

Justin Walker  retired Apple OS X kernel developer  Stanford, CA, USA 
extensive feedback
PARI lib wrapping use of his G5 contributions 
Mark Watkins  University of Sydney  University Road, 2006, NSW, Australia 
ec (modular degrees)
sympow (symmetric powers) feedback contributions 
Georg S. Weber  Nuernberg, Germany 
reviews, bug fixing, documentation
contributions 

Eric Webster 
combinatorics
contributions 

RalfPhilipp Weinmann 
contributions 

Joe Wetherell  CCR  Bethesda, MD, USA 
design discussion
bug reports code (e.g., for MAGMAlike constructors) contributions 
Carl Witty  Newton Labs  Renton, WA 98057, USA 
release manager
interval arithmetic (wrapping mpfi) complete package for real root isolation algebraic reals contributions 
Cristian Wuthrich  Nottingham  Nottingham, UK 
padic Lfunctions
Tate curves contributions 
Soroosh Yazdani 
contributions 

Dal S. Yu  Austin, TX, USA 
Athlon binary build
contributions 

Gary Zablackis 
created all Sage binaries for MS windows from March through November 2006
numerous bug reports and fixes contributions 

Mike Zabrocki  Dept. Maths and Statistics, York University  Toronto, Ontario, Canada 
bug fixes
contributions 
Bin Zhang  France 
ATLAS.spkg fixes for Linux and PPC
contributions 

Paul Zimmermann  Research Fellow, INRIA Nancy  Villers les Nancy, France 
MPFR integration
calculus bug fixes general fixes contributions 
Mao Ziyang  Changsha, Hunan, China 
documentation
contributions 