John Szarkowski is an influential photography curator, historian, and critic. From 1962 to 1991 Szarkowski was the Director of Photography at New York’s Museum of Modern Art. As a photographer, he had his first solo show at the Walker Art Center in 1949. He has received the first of two Guggenheim fellowships, resulting in the book “The Idea of Louis Sullivan”.
In 1974 Szarkowski published “Looking at Photographs” a practical set of examples on how to write about photographs. He has published numerous books on individual photographers, including, with Maria Morris Hambourg, the definitive four-volume work on the photography of Atget. In 2005 he had several major solo exhibitions across the USA. The first retrospective of his work exhibited at MOMA in early 2006. There is a 48-minute documentary on his life and work: “John Szarkowski: A Life in Photography”
Source - Wikipedia http://en.wikipedia.org/wiki/John_Szarkowski