A.F. Schroeder

D. MacDonald

MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.

Clarence R. Agler

Paul Brown

Brown worked for Stone and Webster Engineering Corporation.

Alfred P. Wiora

Alfred “Al” Wiora served in the army at Los Alamos during the Manhattan Project. He studied at the University of Pennsylvania and later worked at the Hughes Aircraft Company in Tuscon, Arizona.