When the Spanish Civil War ended in 1939, Chim emigrated to the United, traveling to Mexico on his way. He photographed the journey of 1,000 defeated Republican refugees who would remain in Mexico, as an assignment for French magazine Paris Match.

This contact sheet contains photos of Mexico in 1939.

In 1947, along with Henri Cartier-Bresson, Robert Capa, George Rodger, and William Vandivert, David ‘Chim’ Seymour founded Magnum Photos.

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