National Museum of Nuclear Science & History
Bergan worked in the United States Engineer District Office.
Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold E. Young was a staff worker at Los Alamos during the Manhattan Project.
J. S. Gayeski served in the 390th Air Service Group.
