What nationality do both Richard Donchian and Jirair Hovnanian share besides American?
Richard Donchian Richard Davoud Donchian (born September 1905, Hartford, Connecticut – d. 1993) was an Armenian-American commodities and futures trader, and pioneer in the field of managed futures.
Don Roos Donald Paul "Don" Roos (born April 14, 1955) is an American screenwriter and film director.