8. Henry Ford (Wealth: 199B)
Ford was born in a family that farmed for a living. He left home at age 16 to work as a machinist. When he was 28 years old, Ford was an engineer in Thomas Edison’s company where he experimented with engines that ran on gasoline. At age 36, Ford began to establish his first automobile company only to experience bankruptcy and issues with his business partners for his following businesses; until he was able to make a fortune with the Ford Motor Company along with his partners Alexander Malcomson and the Dodge brothers. In his lifetime, Ford is believed to have acquired a net worth of $199B.