John N. Wilson

Philip C. McKenna

Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Louis P. Cowles

John Miles

John Miles was a physicist for the DuPont Company. During the Manhattan Project, he worked at the University of Chicago Met Lab and at Hanford.

E. G. Richardson

E. G. Richardson worked for the Tennessee Eastman Corporation at the Y-12 Plant.