Leland F. Pettengill

H. S. Bartlett

E. C. Cathcart

Cathcart worked in the United States Engineer District Office.

Dick Kosh

Dick Kosh was an American physicist.  He worked at the Los Alamos site during the war, arriving from the University of Wisconsin, Madison, and then stayed afterwards.

Aquilla Parsons

Aquilla Parsons was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.