List of inventors killed by their own inventions

From the list, this is surreal (and not for the faint hearted):

http://en.wikipedia.org/wiki/File:Reichelt.ogg

Franz Reichelt, a tailor and inventor, died in 1912 while testing his parachute contraption. He jumped from the Eiffel Tower and the whole incident was captured on camera. He told authorities he'd test it with a dummy first.

See also http://world.std.com/~jlr/doom/doom_eng.htm

No software inventors/creators? Software doesn't kill?