Wherry sitting at a desk in front of shelves full of laboratory bottles
Alvarez sitting in an office, facing the camera.
Curtis sitting at his lab bench with a microscope.
W. D. Hoyt sitting in front of various pictures in frames. He is wearing a suit and has a cigarette in his left hand.
Dennis sitting at a table reading a book. Behind her are shelves with various labeled containers.
Dennis is sitting at a lab bench, facing the camera. She is wearing all white, and her hair is tied up in a bun. A white towel is on the lab bench and lab equipment is on the wall behind her.
W. Dennis sitting at a desk reading a book.
Collett sitting at a lab bench with a flask.
W. E. deMol sitting at a desk holding a book. There is a microscope sitting on the desk in front of him and he is facing the camera.
W. E. Field sitting at a desk in a lab. On the desk all around her are various pieces of glassware and a large lamp.
Garry is seated facing the camera with a book open in his lap and a pencil in his right hand. There is a table in the foreground and a cloth-covered door in the background.
Ritter sitting, facing the camera.
Loehwing sitting at a desk with several pieces of paper lying on the desk.
Forbes is standing on grass, facing the camera. He is wearing glasses and a suit.
Addison is shown in profile, standing facing the right frame of the photograph. He is in front of a large bush.
Chambers is seated at a bench with a microscope on it.
Cole is sitting outside with his left hand placed on his leg.
Mitchell sitting at his desk with a long stick-like object in his right hand.
Weston is standing on the lawn in front of the porch of a shingled building, facing the camera and smiling.
Crozier sitting with a pipe in his mouth while typing at a typewriter.
W. J. Crozier and S. Hecht sitting down examining a book together.
Robbins sitting at a lab bench with his hand placed next to a microscope.
Scott sitting at his desk.
Osterhout is seated at a desk covered in papers. He is holding a paper in his hands and looking toward the left frame of the photograph. There are shelves holding books on the wall behind him.