J. S. Gehrken

A. D. Caley

A. D. Caley worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Harry Sirabian

H. J. Bowman

Bowman worked at the 100-B and 100-F Area at Hanford during the Manhattan Project. 

Leon Leventhal

Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.