Floyd J. Ritchie

K. Langosch

K. Langosch worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

O.H. Newton

Newton worked at the 300 Area at Hanford during the Manhattan Project.

Harry Allen

Harry Allen worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.

M.L. Russell