Dorothea Lange's iconic 1936 photograph of Florence Owens Thompson, Migrant Mother Dorothea Lange (America, 1895–1965) Migrant Mother 28.3 cm × 21.8 cm (11.1 in × 8.6 in) 1936 Collection of Museum of Modern Art, New York In 1936, the photographer worked for the Farm Security Administration. At the request of the Roosevelt government, she took documentary photographs to document farmers' poverty during ...