* Prof. D. Khemani
	The idea behind the generic game tree search engine

* Arthur J. O'Dwyer <ajo@andrew.cmu.edu>
	Capture pentominoes

* Thomas Klausner <wiz@danbala.ifoer.tuwien.ac.at>
	Ideas, lots of bug reports and fixes

* Tim Mann <tim@tim-mann.org>
	Author of xboard, from which I took the pixmaps for chess

* Frank Gevaerts <frank@gevaerts.be>
	PowerPC bugfixes
