H. N. Dayley

Philip Grant Koontz

Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. P. Knox

Archie D. Massey

Archie Massey worked for the Kellex Corporation at the K-25 Plant.

H. J. Bowman

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