Nina Leen, The Irascibles, 1950. B&W photographic print, 10.2 x 8.3 in (26 x 21 cm).
From left, rear, they are: Willem de Kooning, Adolph Gottlieb, Ad Reinhardt, Hedda Sterne (the only woman included); (next row) Richard Pousette-Dart, William Baziotes, Jimmy Ernst (with bow tie), Jackson Pollock (in striped jacket), James Brooks, Clyfford Still (leaning on knee), Robert Motherwell, Bradley Walker Tomlin; (in foreground) Theodoros Stamos (on bench), Barnett Newman (on stool), Mark Rothko (with glasses).
In 1950, Leen made history with this group portrait of eighteen Abstract Expressionists who protested the Metropolitan Museum of Art’s policy on the acquisition of modern art, embodied by the exhibition “American Art Today,” in an open letter which ran in the May 22, 1950 issue of The New York Times.
The photograph was published on page 34 of Life magazine on January 15, 1951.
Read more about it here.