National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
Heffner worked at the 200 East Area at Hanford during the Manhattan Project.
Edmund Scheuer served in the Army at Los Alamos during the Manhattan Project.
Emil J. Konopinski (1911-1990) was an American theoretical physicist. After receiving his Ph.D. from the University of Michigan, Konopinski worked as a National Research Council Fellow with Hans Bethe at Cornell University.