A.H. Wheeler,  A photographer appears to be photographing himself in a photographic studio, Berlin, Wisconsin, 1893.

A.H. Wheeler A photographer appears to be photographing himself in a photographic studio, Berlin, Wisconsin, 1893.

Unidentified photographer in Florida, 19th century.
Source: Florida Memory

Unidentified photographer in Florida, 19th century.

Source: Florida Memory

Gjon Mili, Local photographer at work among other photographers taking pictures of cellist Pablo Casals in vestry of Church of St. Pierret during the Prades Festival, Prades, France, 1966.

Gjon Mili, Local photographer at work among other photographers taking pictures of cellist Pablo Casals in vestry of Church of St. Pierret during the Prades Festival, Prades, France, 1966.

Frank Jay Haynes, Self-Portrait of Frank Jay Haynes, Photographer, at the Missouri River, 1876.

Frank Jay Haynes, Self-Portrait of Frank Jay Haynes, Photographer, at the Missouri River, 1876.

Yousuf Karsh, Self-portrait, Ottawa, Ontario, Canada, 1938.
Source: Library and Archives Canada

Yousuf Karsh, Self-portrait, Ottawa, Ontario, Canada, 1938.

Source: Library and Archives Canada

Gerda Taro in Spain, July 1937.

Gerda Taro in Spain, July 1937.

Oscar Grossheim, Self-portrait of the artist, 1910.

Oscar Grossheim, Self-portrait of the artist, 1910.

Alfred Stieglitz Photographing on a Bridge, gelatin silver print, c. 1905

Alfred Stieglitz Photographing on a Bridge, gelatin silver print, c. 1905

J. Malcolm Greany, Portrait of Ansel Adams, ca. 1950.

J. Malcolm Greany, Portrait of Ansel Adams, ca. 1950.

Rondal Partridge, Dorothea Lange sitting with her Graflex 4x5 Series D camera on a 1933 Ford Model C, California, 1936.
Source: Library of Congress

Rondal Partridge, Dorothea Lange sitting with her Graflex 4x5 Series D camera on a 1933 Ford Model C, California, 1936.

Source: Library of Congress