National Museum of Nuclear Science & History
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Frances Zollner worked as a purchasing agent for the Manhattan Project at the University of Chicago. At Chicago, Zollner would meet many of the scientists who were improving various scientific parts and procedures throughout the duration of Manhattan Project.
Vlacil worked at the 300 Area at Hanford during the Manhattan Project.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.