Thaddeus John Szarkowski (December 18, 1925 – July 7, 2007) was a photographer, curator, historian, and critic. From 1962 to 1991 Szarkowski was the director of photography at New York's Museum of Modern Art (MoMA). **Source**: [John Szarkowski](https://en.wikipedia.org/wiki/John_Szarkowski) on Wikipedia.