Ulric Dahlgren sitting at a table. Behind him is a blackboard.
W. D. Hoyt sitting in front of various pictures in frames. He is wearing a suit and has a cigarette in his left hand.
E. Carleton Macdowell sitting in a chair looking down. Behind him is a window and a telephone on the wall.
Maurice N. Richter sitting at a table in front of a microscope. Behind him are shelves of labeled glass containers.
Reminiscences and group discussion, made two days before Dr. Conklin's death