20. Irving Penn
Born June 16, 1917, Died October 7, 2009

Best known for his fashion photography.

19. Diane Arbus
Born March 14, 1923, Died July 26, 1971

Best known for her black and white  pictures of people who seemed ugly or surreal.

18. Helmut Newton
Born October 31, 1920,Died January 23, 2004

Best known for his picture of women in black and white photos.

17. Richard Avedon
1923-2004
Best known for his photos in the fashion department.

16. Henri Cartier-Bresson
Born August 22, 1908, Died August 3, 2004
He is considered the Godfather of Photojournalism

15. Robert Capa
Born October 22, 1913, Died May 25, 1954

Famous for for his photos in the following wars: Spanish Civil War, Second Sino-Japanese War, World War II, 1948 Arab-Israeli War, and the First Indochina War. 

14. Dorothea Lange
Born May 26, 1895, Died October 11, 1965

Best known for her pictures in the Great Depression for the Farm Security Administration. 

13. Arthur Felig
Born June 12, 1899, Died December 26, 1968
Known for his photos of black and white street activities.

12. Alex Prager
Born 1979.
Prager is well known for creating photos that looked like one of a movie scene.

11. Robert Frank
Born November 9, 1924
Best known for his photography collection The Americans.

10. Paul Strand
Born October 16th, 1890 Died March 31st, 1976
Best known for helping to establish photography as an art form in the  1900's. Worked a lot with shadows.

9. Walker Evans

Born November 3, 1903, Died in April 10, 1975

Best known for his work for the Farm Security Administration documenting the effects of the Great Depression.

8.Lewis Hine
Born September 26, 1874, Died November 3, 1940
Best known for his photos of child labor during the reform.