National Museum of Nuclear Science & History
Murphy worked for Stone and Webster Engineering Corporation.
Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.
June H. Roberts was a research assistant in the Instruments Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
Edgar Weichel served in the 603rd Air Engineering Squadron.
