photographs
Lucké is sitting at a lab bench in front of a microscope while holding a pipe in his left hand.
Fish sitting at his lab bench with a microscope while writing on a piece of paper.
Patten is standing, facing the camera while holding something in his hands.
Bumpus is standing a good distance from some buildings.
Hargitt is standing with a top hat in his hands.
Detlefsen is standing, while facing the camera, and a good distance from a building.
Pertzoff is standing in front of a bush while smoking a pipe.
G. H. Bishop is sitting at his lab bench, reading something with a pipe in his mouth. He is wearing a dress shirt with a tie. His lab bench is cluttered with bottles and lab equipment.
Lengworthy is sitting at a desk, facing the camera. His left arm is resting against the desk.
Lee is sitting at his lab bench with a microscope and several other pieces of lab equipment.
Little is standing in front of a field with his hands folded behind him.
Perlzweig is standing in front of a tree, wearing a suit, tie and glasses. He is facing the camera but looking off into the distance.