Armand Hammer, American physician and businessman, founded Occidental Petroleum (d. 1990)
Armand Hammer (May 21, 1898 – December 10, 1990) was an American business manager and owner, most closely associated with Occidental Petroleum, a company he ran from 1957 until his death. Called "Lenin's chosen capitalist", he was known as well for his art collection and his close ties to the Soviet Union.Hammer's business interests around the world and his "citizen diplomacy" helped him cultivate a wide network of friends and associates.