people
Crozier sitting at a desk with a notebook open in his lap, and holding a pipe in his right hand.
Gray sitting at a lab bench with an open book placed next to a microscope.
Huxley sitting in a chair while holding some papers in his lap.
Kofoid sitting with one hand resting next to a microscope on a table.
Knopf sitting at a desk with his hands resting in his lap.
Runnstrom looking through a microscope.
Gregory working at a desk.
Crozier sitting at a desk while smoking a pipe
Stockard sitting at a lab bench, facing the camera.
Sharp standing outside in front of a building.
McCung sitting with one arm resting on a table next to a microscope.
Bridges working at a tilted lab bench with a microscope.