Luis von Ahn
Born: August 19, 1978 in Guatemala City, Guatemala
Luis von Ahn is the inventor of an automated system that helps computers tell the difference between human users and machines. In addition to keeping passwords and bank accounts safe, his work uses human computation to help decode previously untranslated words. Over 13 million books have been digitized using von Ahn's system. He owns multiple U.S. patents and has licensed some of them to major internet companies.