photographs
Mangold sitting at a desk with a pen in his right hand.
Moore sitting in front of a microscope with a pencil in his hand, about to write on a document.
Banting sitting at a desk writing on a document while holding a cigarette in his left hand.
Conklin sitting with his legs crossed, and one arm resting on a desk.
Dahlgren sitting with his right arm resting on a table.
Bissonnette sitting at a desk with a pipe in his right hand.
Gray sitting at a lab bench with a microscope.
Detoiques sitting outside in front of some trees and a building
Satake working on some documents at a desk.
Lange sitting at a desk with an open book.
Linder sitting at a desk with a microscope.
Loeb working at a lab bench.