National Museum of Nuclear Science & History
O. L. Koch worked for the Midwest Piping and Supply Company.
Joseph W. Giroux was a Private First Class in the 1st Ordnance Squadron. Giroux was born in Worthington in the district of Sudbury, Ontario, Canada, on October 24, 1921.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
