National Museum of Nuclear Science & History
J. P. Marus worked for the J.A. Jones Construction Company.
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.
W. S. Herron worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ernest C. Lawrence was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Black worked at Los Alamos during the Manhattan Project.
