Achim Gaedke for bug report. Alexandre Oliva for bug report. Andre Girard for bug report. Andrew Hamilton-Wright for bug report. Andrew Hood for bug report. Anne-Laurence Putz for bug report. Anton Voropaev for bug and typo report. Axel Simon for bug report. Balaco Baco for bug report. Bernhard Schmidt for bug report. Boris Wirtz for bug report. Brady Hunsaker for contribution of a routine for bounds sensitivity analysis. Brady Hunsaker for some suggestions concerning MIP routines. Brian Gladman for suggestion. Cameron Kellough for bug report. Carlo Baldassi for bug report. Cedric[FR] for bug report. Charles Brixko for bug report. Chris Matrakidis for contribution of a patch that implements the tan function in MathProg. Chris Matrakidis for numerous useful suggestions, contributions, and patches. Chris Rosebrugh for contribution of a new version of GLPK JNI (Java Native Interface). Christophe Caron for bug report. David Monniaux for some suggestions. David Monniaux for bug report. David T. Price for bug report. Dennis Schridde for bug report. Enric Rodriguez for bug report. Flavio Keidi Miyazawa for bug report. Gabriel Hackebeil for bug report. Giles Thompson for bug report. Giorgio Sartor <0gioker0@gmail.com> for contribution of routines that implement the proximity search heuristic for MIP. Graham Rockwell for bug report. Hans Schwengeler for bug report. Harley Mackenzie for contribution of GLPK FAQ. Dr. Harley Mackenzie for two example MathProg models (curve fitting problem). Heinrich Schuchardt for contribution of makefiles and testing the package under 64-bit Windows. Heinrich Schuchardt for contribution of two MathProg table drivers for iODBC and MySQL. Heinrich Schuchardt for some patches for the MathProg translator. Heinrich Schuchardt for testing the package on 32- and 64-bit MS Windows platforms. Ivan Luzzi for comments concerning CPLEX LP format. Ivo van Baren for contribution of GLPK DELI (Delphi Interface). Jan Engelhardt for some suggestions. Jeffrey Kantor for reporting typos in the MathProg language reference. Jeroen Demeyer for suggestion. Jeroen Demeyer for bug report. Jiri Spitz for bug report. Joao Flavio de Freitas Almeida for translation of the document "Modeling Language GNU MathProg" to Brazilian Portuguese (pt-BR). Joey Rios for some suggestions. Jonathan Senning for bug report. Karel Zimmermann for bug report. Kelly Westbrooks for suggestions. Kendall Demaree for bug report. Kjell Eikland for bug report. Larry D'Agostino for example model in MathProg. Luiz Bettoni for some suggestions. Marco Atzeri for bug report. Marco Atzeri for bug report. Mark Meketon for bug report. Markus Pilz for bug report. Martin Jacob for bug report. Mike Appleby for example model in MathProg. Minh Ha Duong for fixing doc typos. Morten Welinder for bug report. Morten Welinder for bug report. Nelson H. F. Beebe for bug report. Nicolo Giorgetti for contribution of GLPKMEX, a Matlab MEX interface. Niels Klitgord for bug report. Nigel Galloway for an example MathProg model. Nigel Galloway for an example program in C#. Nigel Galloway for bug report. Nigel Galloway for example models in MathProg. Noli Sicad for testing glpk under Mac OS. Noli Sicad for example model in MathProg. Olivier for bug report. Oscar Gustafsson for contribution of a routine to write data in OPB (pseudo boolean) format. Pablo Yapura for translation of the document "Modeling Language GNU MathProg" to Spanish. Pedro P. Wong for bug report. Peter T. Breuer for bug report. Peter A. Huegler for bug report. Peter Ingerfeld for bug report. Peter Lee for example LP model and bug report. Peter Naszvadi for example models in MathProg. Pietro Scionti for report typos found in the reference manual. Rafael Laboissiere for useful advices concerning shared library support under GNU/Linux. Raniere Gaia Costa da Silva for bug report. Remy Roy for bug report. Rob Schroeder for bug report. Robbie Morrison for correcting the glpk manual. Robert Wood for example model in MathProg. Roberto Bagnara (Department of Mathematics, University of Parma, Italy) for bug report. Sami Farin for bug report. Sebastian Nowozin for example models in MathProg. Sebastien Briais for bug report. Sebastien de Menten for bug report. Sebastien Villemot for bug report. Stefan Vigerske for bug report. Stefan Vigerske for bug report. Sylvain Fournier for bug report. Thomas Kahle for some suggestions. Uday Venkatadri for bug report. Vijay Patil for testing the package under Windows XP. Vlahos Kiriakos for bug report. Xypron for bug fixing and some improvments in the FPUMP module. Xypron for bug patch. Xypron for contribution and testing batch scripts to build Glpk with MS Visual Studio 2010. Xypron for improving the SQL table driver. Xypron for testing GLPK on 64-bit platforms and for maintaining Windows versions of the package. Yuri Victorovich for contribution of GLPK Java binding.