National Museum of Nuclear Science & History
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Samuel A. McClung served in the 1st Ordnance Squadron.
William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
