An unidentified male student of the State University of New York at Albany sitting by a blackboard in a classroom during a lecture at the State University of New York at Albany. There are crop marks in all margins of the original.
Unidentified students listening to a lecture at the State University of New York at Albany. There are crop marks in the top and right margins of the original. Written in the bottom margin is "Pix I" "2 5/16"x 2 5/16"" and "37%."