As photography became mainstream in the mid-20th century, a group of Princeton teachers helped solidify art photography as a movement. The work and lives of Minor White, Aaron Siskind, Harry Callahan and other photographers is celebrated in a new exhibition. Photography as a Way of Life is on display at the Princeton University Art Museum until 7 September Aaron Siskind, Pleasures and Terrors of Levitation 37, 1953 Photograph: Joseph Hu/Gift of Robert A.Wayne, Aaron Siskind/Virginia Museum of Fine Arts. Minor White, San Francisco, 16 July 1949 White, Siskind and Callahan transformed the ways in which photography was seen in the world from the 1940s to the 1970s. Photograph: The Minor White Archive, Trustees of Princeton University. Jan Davis, Vicinity of Pescadero, California, 30 June 1951 The images on view explore the effect they and other image makers have had on the field of photography and on higher education. Photograph: The Minor White Archive, Trustees of Princeton University.…