6 Famous Historical Figures Who Were Actually Awful People (6 pics)

Thomas Edison: The World’s Most Famous Thief. A staggering amount of his work was stolen from other inventors. Edison once offered Tesla $50,000 (more than $1,000,000 in today’s money) if Tesla could improve one of Edison's inefficient devices, which Tesla was able to do extremely well. Edison then refused to pay up for Tesla's hard work (which would surely save Edison more than $50,000). Edison instead said, “Tesla, you don’t understand our American humor.”