Center for Creative Photography identity

From the Center’s website:
The Center for Creative Photography, University of Arizona, is recognized as one of the world’s finest academic art museums and study centers for the history of photography. Beginning with the archives of five living master photographers—Ansel Adams, Wynn Bullock, Harry Callahan, Aaron Siskind, and Frederick Sommer—the collection has grown to include 239 archival collections. Among these are some of the most recognizable names in 20th center North American photography: W. Eugene Smith, Lola Alvarez Bravo, Edward Weston, and Garry Winogrand. Altogether there are over five million archival objects in the Center’s collection including negatives, work prints, contact sheets, albums, scrapbooks, correspondence, writings, audiovisual materials and memorabilia. In addition to whole archival collections the Center also actively acquired individual photographs by modern and contemporary photographers. There are currently more than 90,000 works by over 2,200 photographers.