Lange's "Migrant Mother" is one of her most famous photographs. Dorothea Lange/Courtesy of the Library of Congress hide caption

toggle caption Dorothea Lange/Courtesy of the Library of Congress
Sarah Hoskins

Boy with raisin bread, photograph for the cover of McCall's Homemaking Magazine, ca. 1944 Nickolas Muray/Courtesy of the National Museum of American History Photographic History Collection hide caption

toggle caption Nickolas Muray/Courtesy of the National Museum of American History Photographic History Collection
Eadweard Muybridge/Corcoran Gallery of Art

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