Museum of Modern Art (New York, N.Y.)

Marcel Duchamp and Robert Lebel. Copy print received from the Museum of Modern Art.

Marcel Duchamp and two unidentified men at the exhibition opening of “Les Duchamps: Jacques Villon, Raymond Duchamp-Villon, Marcel Duchamp, and Suzanne Duchamp,” Musée des Beaux-Arts de Rouen. Copy print received from the Museum of Modern Art.

Marcel Duchamp and Walter Arensberg in Hollywood, California. Photo by Beatrice Wood. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp and Yves Tanguy. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp as a young boy. Copy print received from the Museum of Modern Art.

Marcel Duchamp as boy standing beside wooden swing. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp as Rrose Sélavy. Photo by Man Ray. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp at age 5 in front of a tent. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp at age 25. Original photo by H. Hoffman in 1912. Enlarged by Man Ray. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp at dock about to depart New York with Leon and Marcelle Hartl. Photo from Bain News Service. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.