National Museum of Nuclear Science & History
Halm worked at the 300 Area at Hanford during the Manhattan Project.
Fred Vogel was an American chemical engineer who worked at Los Alamos during the Manhattan Project. Vogel studied at Lehigh University in Pennsylvania and later worked as Chief Engineer for the Cornell Machine Company and for the Centaur Machine Company.
E. H. Douglas worked at the 300 Area at Hanford during the Manhattan Project.
