photographs
Beers sitting while facing the camera.
Harnley leaning back against his chair next to a lab bench.
Bazett sitting at his desk with a pen or a pipe in his right hand.
Hall sitting at his lab bench with a lab notebook.
Mast is seated at a desk in front of a microscope, face turned toward the camera.
Bigelow is shown in profile, seated at a table with a book open by his left hand and a microscope by his right. He is holding what might be a pencil in his right hand and is wearing glasses and a bowtie.
R. E. Blackwell sitting on a stool in front of a wall of photographs in frames.
Albro D. Morrell sitting at a table. Behind him is a window and a telephone on the wall.
J. Stanley Durkee sitting and reading at a table.
Slosson is shown in profile; he is standing facing the right frame of the photograph. He is standing at the corner of a shingled building and there are a car and telephone pole across the street in the background.
Warren is seated at a table, facing the camera with his arms crossed. There is a microscope on the table along with several scraps of paper.
Schulman sitting next to a painting.