Noli Sicad for testing glpk under Mac OS. Pietro Scionti for report typos found in the reference manual. Noli Sicad for example model in MathProg. Nigel Galloway for example model in MathProg. Xypron for contribution and testing batch scripts to build Glpk with MS Visual Studio 2010. Xypron for improving the SQL table driver. Stefan Vigerske for bug report. Uday Venkatadri for bug report. Xypron for bug fixing and some improvments in the FPUMP module. Niels Klitgord for bug report. Thomas Kahle for some suggestions. Jonathan Senning for bug report. Xypron for testing GLPK on 64-bit platforms and for maintaining Windows versions of the package. Nelson H. F. Beebe for bug report. Larry D'Agostino for example model in MathProg. Marco Atzeri for bug report. Robert Wood for example model in MathProg. Sebastien Briais for bug report. Kelly Westbrooks for suggestions. Nigel Galloway for example models in MathProg. Xypron for bug patch. Sebastian Nowozin for example models in MathProg. Stefan Vigerske for bug report. Luiz Bettoni for some suggestions. Nigel Galloway for bug report. Peter Ingerfeld for bug report. Heinrich Schuchardt for contribution of makefiles and testing the package under 64-bit Windows. Oscar Gustafsson for contribution of a new version of the routine to write data in OPB (pseudo boolean) format. Heinrich Schuchardt for some patches for the MathProg translator. Markus Pilz for bug report. Anne-Laurence Putz for bug report. Robbie Morrison for correcting the glpk manual. Axel Simon for bug report. Vijay Patil for testing the package under Windows XP. Heinrich Schuchardt for contribution of two MathProg table drivers for iODBC and MySQL. Rafael Laboissiere for useful advices concerning shared library support under GNU/Linux. Nigel Galloway for an example program in C#. Enric Rodriguez for bug report. Nigel Galloway for an example MathProg model. Roberto Bagnara (Department of Mathematics, University of Parma, Italy) for bug report. Peter T. Breuer for bug report. Graham Rockwell for bug report. Cedric[FR] for bug report. Cameron Kellough for bug report. Oscar Gustafsson for contribution of a routine to write data in OPB (pseudo boolean) format. Boris Wirtz for bug report. Sebastian Nowozin for three example MathProg models. Rafael Laboissiere for useful advices concerning shared library support. Dr. Harley Mackenzie for two example MathProg models (curve fitting problem). Minh Ha Duong for fixing doc typos. Brady Hunsaker for some suggestions concerning MIP routines. Karel Zimmermann for bug report. Christophe Caron for bug report. Nicolo Giorgetti for contribution of GLPKMEX, a Matlab MEX interface. Harley Mackenzie for contribution of GLPK FAQ. Andre Girard for bug report. Morten Welinder for bug report. Brady Hunsaker for contribution of a routine for bounds sensitivity analysis. Chris Rosebrugh for contribution of a new version of GLPK JNI (Java Native Interface). Ivo van Baren for contribution of GLPK DELI (Delphi Interface). Andrew Hamilton-Wright for bug report. Jiri Spitz for bug report. Giles Thompson for bug report. Sebastien de Menten for bug report. Kendall Demaree for bug report. Bernhard Schmidt for bug report. Yuri Victorovich for contribution of GLPK Java binding. Olivier for bug report. Kjell Eikland for bug report. Ivan Luzzi for comments concerning CPLEX LP format. Peter Lee for example LP model and bug report. Morten Welinder for bug report. Vlahos Kiriakos for bug report. Flavio Keidi Miyazawa for bug report. Hans Schwengeler for bug report. Sami Farin for bug report. Peter A. Huegler for bug report. Alexandre Oliva for bug report. Andrew Hood for bug report.