Alfred Steiglitz is a canonical figure in the history of photography. Stieglitz is perhaps most known for his role in establishing the Photo-Secessionist and Pictorialist movements in the United States as well as being the founder and editor of the seminal publications, Camera Notes (1897-1902) and Camera Work (1903-1917). Another important contribution that Stieglitz made to the photographic community around the turn of the century was the founding of Gallery 291 (originally known as the Little Galleries of the Photo-Secession) on Fifth Avenue in New York City (1905). After the Pictorialist movement had run its course, Stieglitz became a proponent of the Straight Photography movement, promoting the work of photographers such as Paul Strand. His life-long goal was to establish and to legitimatize photography as a fine art medium. While he is known for his tireless promoting of photography as a legitimate art, Stieglitz is also renowned as a photographer himself. His 1907 photograph, "The Steerage" and his 1922-1935 cloud series, "Equivalents" as well as a portrait series of renowned painter Georgia O'Keefe, are among his best known works.