Forbes

13. Richmond, VA

Name: Bruce Cobb Gottwald

Net Worth: $580 M

Origin of Wealth: Ethyl Corp.

Bruce C. Gottwald’s late father Floyd took a big risk in 1962 when his small paper company acquired Ethyl Gasoline Corporation for $190 million. Through several spin-offs, the original gasoline giant evolved into several companies. Ethyl became NewMarket, which Bruce Gottwald headed as chairman for 20 years before retiring in 2014. The specialty chemicals division spun-off as Albemarle, and the aluminum and plastics division became Tredegar Industries.