Dorothea Lange was a renowned American documentary photographer best known for her iconic images capturing the hardships of the Great Depression. Born in 1895, she overcame childhood polio to pursue a career in photography. She gained recognition for her work with the Farm Security Administration, documenting the struggles of migrant workers and marginalized communities. Her most famous photograph, "Migrant Mother," has become a symbol of the era. Lange's powerful images continue to inspire and provoke conversations about social justice and inequality.