[RightWhale]

Newton, Chancellor of the Exchequer, had 100 men hung for counterfeiting. Einstein, dilettante, wrote a letter advocating development of the A-bomb. For character, Newton wins.

[PatrickHenry]

The Bomb probably saved a million lives that would have been lost during the invasion of Japan. And countless more that might have been lost in conventional battles that never happened during the nuclear stalemate of the Cold War. If you're going to rate these guys on such extraneous grounds, you gotta give the contest to Einstein.