National Museum of Nuclear Science & History
A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.
Robert Krohn was born in Milwaukee, Wisconsin December 26, 1919. He attended the University of Wisconsin and graduated from the Electrical Engineering School in June of 1942.
William F. Orren served as a technical sergeant in the 393rd squadron. He was regularly assigned to the B-29 Top Secret.
Mathis worked for Stone and Webster Engineering Corporation.