photographs
Robert T. Hance sitting at a table with a book in front of him.
Charles Zeleny sitting at a table writing. The table in front of him has various papers on it and behind him on the wall is an empty shelf.
Nathaniel E. Robinson sitting at a desk writing. The desk in front of him has papers on it and the shelf behind him has a number of books sitting on it.
Vincent standing in front of a field.
Sampson is sitting at a lab bench, reading a book.
Plunkett standing on the side of a street while holding a pipe to his mouth.
Minnish sitting in a library with a book open in his lap.
Cowdry is seated facing the camera, with his hand resting on a microscope sitting on a table to his right. There is some lab equipment on a shelf on the wall behind him.
Flexher is standing next to some electricity poles, with some papers under his left arm.
S. Wright is standing in front of a field, with his hands folded behind him.
Hargitt is standing in front of a building, facing the camera.
Joseph K. Breitenbecher sitting in a chair.