The Composing Room, type-setting firm founded by Sol Cantor and Robert L. Leslie in 1934.
The Composing Room became the sponsor for a variety of intellectual and educational endeavors starting with PM and A-D magazines, graphic arts courses, the A-D Gallery, Gallery 303 and eventually the lecture series Heritage of the Graphic Arts in the 1960s. Hortense Mendel David was publicity director and co-editor of publications.
Robert L. Leslie served as an intermediary between Ismar David (in Jerusalem) and Intertype (in Brooklyn) during the production of David Hebrew David metal type.
