National Museum of Nuclear Science & History
Murphy worked for Stone and Webster Engineering Corporation.
Betty Murray was a technician in the Solvent-Extraction Group at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ayres worked in the United States Engineer District Office.
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
