National Museum of Nuclear Science & History
Ostdahl worked in the 200 West Area at Hanford during the Manhattan Project.
N. J. Holland worked for the Roane-Anderson Company.
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.