National Museum of Nuclear Science & History
Raymond Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kenneth Stewart Cole was a Principal Biophysicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.