people
W. R. Coe working with a microscope at a lab bench.
Glaser standing on a pier in a suit.
Clowes sitting at a lab bench with several Petri dishes
Folsom standing outside in front of a stone wall
Dobzhansky writing on some documents placed next to a microscope.
Hoagland sitting on a stool in a laboratory.
Chambers sitting inside next to a painting on a wall. He is sitting with his legs crossed and a cigarette in his right hand.
Calkins standing outside on some rocks, with his hands in his pockets.
Hardy sitting at a table while holding a pipe in his left hand.
Spek looking over some documents in his lap.
Spek looking over some documents in his lap.
Dixon standing outside next to a stone wall while holding a booklet and an umbrella.