Miguel de Icaza, creator.
Jody Goldberg, maintainer.
Harald Ashburner, Options pricers
Sean Atkinson, functions and X-Base importing.
Michel Berkelaar, Simplex algorithm for Solver (LP Solve).
Jean Brefort, Core charting engine.
Grandma Chema Celorio, Tester and sheet copy.
Frank Chiulli, OLE support.
Kenneth Christiansen, i18n, misc stuff.
Zbigniew Chyla, plugin system, i18n.
J.H.M. Dassen (Ray), debian packaging.
Jeroen Dirks, Simplex algorithm for Solver (LP Solve).
Tom Dyas, plugin support.
Gergo Erdi, Gnumeric hacker.
John Gotts, rpm packaging.
Andreas J. Guelzow, Gnumeric hacker.
Jon K. Hellan, Gnumeric hacker.
Ross Ihaka, special functions.
Jukka-Pekka Iivonen, numerous functions and tools.
Jakub Jelinek, Gnumeric hacker.
Chris Lahey, number format engine.
Adrian Likins, documentation, debugging.
Takashi Matsuda, original text plugin.
Michael Meeks, Excel and OLE2 importing.
Lutz Muller, SheetObject improvements.
Emmanuel Pacaud, Many plot types for charting engine.
Federico M. Quintero, canvas support.
Mark Probst, Guile support.
Rasca, HTML, troff, LaTeX exporters.
Vincent Renardias, original CSV support, French localization.
Ariel Rios, Guile support.
Uwe Steinmann, Paradox Importer.
Arturo Tena, OLE support.
Almer S. Tigelaar, Gnumeric hacker.
Bruno Unna, Excel bits.
Daniel Veillard, XML support.
Vladimir Vuksan, financial functions.
Morten Welinder, Gnumeric hacker and leak plugging demi-god.

NOTE : Keep this in sync with the about dialog and the webpage.