photographs
Baldiun Lucke seated at the lab bench in front of a microscope, looking at the camera and holding a pipe
D.J. Edwards seated at a lab bench, looking at the camera
Merkel H. Jacobs seated at the lab bench, looking through a microscope
Enid Keil Sichel seated on a set of stairs
Ferdinand Sichel seated at the lab bench, looking at a sample
S. Waksman seated at a desk, looking towards the camera and wearing a lab coat
William Clark seated in a wicker chair and looking at the camera
J. H. Northrop, looking at the camera and smoking a cigarete, while surrounded by notebooks
Robert Chambers photographic portrait
P. Reznikoff seated next to two microscope, wearing a white lab coat, and facing the camera
I.H. Page seated at a laboratory bench, wearing a white lab coat and looking at the camera
Sepia photo of four men standing on a dock. The second from the left is Paul Conklin