Cattell, James McKeen, 1860-1944
McKeen Cattell sitting at a table in a laboratory. Behind him are a number of shelves with books and large labeled glass containers.
Cattell standing, facing the camera, with a pipe in his left hand. His arms are rested against a fence behind him.
Cattell standing in a suit and wearing glasses, facing towards the left. Two pens are in his left breast pocket. His right arm is rested against a fence behind him.