(Original Caption) 12/8/1939-Mexico City, Mexico- Diego Rivera, celebrated artist and dissident Communist, who charged, Dec. 8, that German Nazis and Stalin Communists were "converging" Mexico into a base of operations against all of the Americas, especially Mexico and the United States. He is pictured here with his wife, Mexican painter Frida Kahlo.
Diego Rivera, celebrated artist and dissident with his wife, Mexican painter Frida Kahlo. Bettmann Archive

From Frida Kahlo and Diego Rivera to Idris Khan and Annie Morris: our five favourite art couples