B. F. Kwiatokowski

Wyllys W. Rheingrover

M. P. Covert

M. P. Covert worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Edward J. Fredrick

Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

William Gregory Marley

William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.