Members of the photography alliance include

American Photographic Group Photographic Alliance. Workers' Photography Union established by Berlin Workers' International Relief 1930 became new york Film Photography Union. 1936 some members of the film and photography alliance form a photography alliance. Important photographers include Smith, Hein, Levitt and strand.

This group advocates a photographic attitude of facing up to reality and actively participating in social practice and reform, which has made important contributions to the development of documentary photography in the United States. 1948 held a large-scale exhibition "This is the Photography Alliance". Soluble in 195 1.