Ralston Crawford (1906–1978) was a Canadian-born American painter, lithographer, photographer, and teacher. He is best known for his abstract representations of urban life and industry. He taught at the Cincinnati Art Academy (now Art Academy of Cincinnati) for many years.
In the 1940s, he served as the chief of visual presentation in the United States Army Air Force, in the weather division.Fortune Magazine sent Crawford to the Bikini Atoll in 1946 to record a nuclear weapons test.
