National Museum of Nuclear Science & History
M. E. Gregson worked for the Roane-Anderson Company.
Ossie Parker worked for the Edenfield Electric Company.
Phillip Fineman was a research associate in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Francis Birch (1903-1992) was an American geophysicist. In 1942, Birch worked at the MIT Radiation Lab, which was tasked with radar development.