Dorothea Lange (1895-1965). This socially conscious documentarian of Dust Bowl migrants in the 1930s took one of the most famous photographs of the Depression era, Migrant Mother. Born on May 26, 1895, in Hoboken, New Jersey, Lange learned photography at Columbia University in New York. During the Great Depression she worked for the Farm Security Administration documenting the plight of the unemployed, homeless and migrant laborers. Lange died on October 11, 1965, in San Francisco.