National Museum of Nuclear Science & History
O’Connor worked in the 300 Area at Hanford during the Manhattan Project.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leon O. Jacobson was Associate Director of the Health Division and Section Chief of H-I, Clinical Medicine and Medical Research, at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph Lawson worked for the United States Engineer District Office.
