National Museum of Nuclear Science & History
H. E. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of 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.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.
