Alfred Stieglitz (1864–1946) and American Photography – The Metropolitan Museum of Art https://www.metmuseum.org/essays/alfred-stieglitz-1864-1946-and-american-photography
Alfred Stieglitz returned to New York in 1890 determined to prove that photography was a medium as capable of artistic expression as painting or sculpture.
elaborate, labor-intensive techniques that underscored the role of the photographer’s hand
