McDonald's was puchased by which businessman who joined the company as a franchise agent in 1955?
McDonald's:  Businessman Ray Kroc joined the company as a franchise agent in 1955 and subsequently purchased the chain from the McDonald brothers. Ray Kroc: Raymond Albert "Ray" Kroc (October 5, 1902 – January 14, 1984) was an American businessman.
Raymond Albert "Ray" Kroc