Sol Prom née Solomon Fabricant (1906 – 1989) joined the New York Photo League when he was in his early 30s while he was working on his doctorate in Economics at Columbia University. Starting as a research assistant, he rose to become Director of Research at the National Bureau of Economic Research where he did pioneering research on the measurement of productivity. He was also a Professor of Economics at New York University and served on many private and governmental commissions and boards.
 

He was a member of the Photo League between 1936 and 1939.  In the1930’s and early 1940’s, his Harlem Document photos, as well as those of other members of Aaron Siskind’s Feature Group, were exhibited and published widely. More recent exhibitions that included Prom’s work have been held  at the National Gallery of Canada, the International Center of Photography in New York, the Museum of Fine Arts in Houston, Minneapolis Institute of Arts, the Museum of Art of the University of Iowa, the Leigh Yawkey Woodson Art Museum in Wausau, Wisconsin, and the Columbus Museum of Art, OH.  In addition, he was represented in “The Radical Camera: New York’s Photo League, 1936-1951″, an exhibit cosponsored by the Jewish Museum and the Columbus Museum of Art. His work from the Photo League years is in private collections as well the Jewish Museum, New York City.