1912 – Harry Morey Callahan was born in Detroit, Michigan on the 22nd of October. American photographer, experimented with the use of light, line, and space to produce images that portray ordinary scenes and objects in innovative, abstract ways.
1938 – He started photographing as an autodidact.
1944 – Callahan took a job with the General Motors Photographic Laboratory.
1946 – Appointed by László Moholy-Nagy to teach photography at the Institute of Design in Chicago.
1949-1961 – He headed the institute’s department of photography, then left to establish the photography department at the Rhode Island School of Design.
1972 – Among his awards are fellowships from the Graham Foundation and the John Simon Guggenheim Memorial Foundation.
1977 – Callahan retired, at which time he was teaching at the Rhode Island School of Design.
1999 – He died on 15th of March in Atlanta, Georgia.