National Museum of Nuclear Science & History
Grafton worked in the United States Engineer District Office.
David Dow was a lawyer. He served as administrative assistant to J. Robert Oppenheimer. He was in charge of non-technical activities at Los Alamos and the Compagna Hill monitoring site, 20 miles from the Trinity test.
Frederick D. Kopka served in the 1027th Air Material Squadron.
Alice Martin was a laboratory assistant in the Chemistry Division at the University of Chicago Met Lab.
James N. Storey served in the 393rd Bombardment Squadron.