The founder of the The Hammer Museum ran what company from 1957 until his death?
Armand Hammer: 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, though he was known as well for his art collection, his philanthropy, and for his close ties to the Soviet Union.
i don't know