Alfred Cheney Johnston, Woman with camera, ca. 1920.

Alfred Cheney Johnston, Woman with camera, ca. 1920.

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.

F.W. Murnau shooting a film, 1920.

F.W. Murnau shooting a film, 1920.

A very large camera designed by George R. Lawrence and used to photograph a train of the Chicago & Alton railroad on the Chicago-St. Louis line for the Paris Exhibition of 1900.

A very large camera designed by George R. Lawrence and used to photograph a train of the Chicago & Alton railroad on the Chicago-St. Louis line for the Paris Exhibition of 1900.

Andreas Feininger, The Photojournalist, 1951.

Andreas Feininger, The Photojournalist, 1951.

Boston Camera Club studio, Bromfield Street, Boston, Massachusetts, 1893.
Source: New England Magazine, 1893

Boston Camera Club studio, Bromfield Street, Boston, Massachusetts, 1893.

Source: New England Magazine, 1893

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

Unidentified photographer in Florida, 19th century.

Source: Florida Memory

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

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

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