National Museum of Nuclear Science & History
John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.
Honnecker worked at the 300 Area at Hanford during the Manhattan Project.
Carl Whitaker worked for the Roane-Anderson Company.
Herbert Pomerance was a research associate at the Chicago Met Lab during the Manhattan Project. Pomerance was transferred to Clinton Laboratories in Oak Ridge, TN on September 1, 1943.