photographs
Calkins is facing the camera, leaning against a brick wall. He is wearing a bowtie, glasses, and an open jacket with a handkerchief tucked into the breast pocket.
Stough, wearing a lab coat at his lab bench with a microscope.
Moore sitting at his lab bench writing. Next to him on the lab bench is a microscope.
Wann sitting with a pipe in his hand in a laboratory setting.
Packard sitting at his desk, facing the camera.
Cole is sitting outside with his left hand placed on his leg.
Wieman standing with both hands in his pockets.
Wheeler is wearing a suit and a jacket, with his left hand in his pocket.
Bodine standing in front of a building, with his hands folded in front of him.
Chown sitting at a desk with a flask next to his arm.
Knapke sitting at a lab bench with lab equipment.
Jennings is seated at a table in front of a microscope, looking to his left toward the camera. There are shelves in the background holding various books and papers.