National Museum of Nuclear Science & History
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Frances Strandholm was a staff worker at Los Alamos during the Manhattan Project.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
Walter Goodman joined the Special Engineer Detachment at Los Alamos in 1943. Goodman worked as an electrical engineer on the implosion bomb with Manhattan Project scientists Luis Alvarez and Harold Agnew.