Alfred Stieglitz - Photography as Art

Alfred Stieglitz (lived in 19th-20th cent.) was a German photographer (that also did work in the United States) dedicated promoting photography as a fine art.

info from http://www.britannica.com/biography/Alfred-Stieglitz

Examples of his work are below:

Annie Leibovitz - Life Through a Lens

Annie Leibovitz is an American portrait photographer who started her professional photography career with Roling Stone and later on, Vanity Fair.  People often consider her photographs, "iconic and provocative." She photographs celebrities, movie posters, famous athletes, and popular events, such as the Olympics.

info from http://www.biography.com/people/annie-leibovitz-9542372

Some of examples of her work are below:

Henri Cartier Bresson - The Decisive Moment

Henri Cartier-Bresson (1908-2004) was an accomplished French photographer well known for, "his theory that photography can capture the meaning beneath outward appearance in instants of extraordinary clarity." He explained this theory in his novel, Images a la sauvette (1952), translated in English to The Decisive Moment.  Cartier-Bresson practiced black and white photography internationally.

info from http://www.britannica.com/biography/Henri-Cartier-Bresson

Some examples of his work are below:

India - 1966 

USA - 1947 

Spain - 1933

Italy - 1933