National Museum of Nuclear Science & History
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Vanstrum began working on the Manhattan Project soon after receiving his engineering degree from the University of Minnesota.
F. E. Clark worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James Sircom Allen (1911-1982) was a Canadian-American physicist who worked at the Massachusetts Institute of Technology and Los Alamos during the Manhattan Project.
