koyaanisqatsi@nupedia.com writes:
Walter William Rouse Ball : http://www-groups.dcs.st-andrews.ac.uk/~history/Mathematicians/Ball.html0
Thanks a lot. He died in 1925, so if I understand http://www.loc.gov/copyright/circs/circ1.html#hlc correctly, the very latest it would be in copyright is last year, so they're fair game. Correct?