David L. Patten

Richard Apple

Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

K.P. Siegmund

George A. Akin

George Akin worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ross Gunn

Ross Gunn was an American physicist and engineer who aided in the development of isotope separation methods during the Manhattan Project.