National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
William Floyd Hartshorn, Jr. was a lead pilot of the 216th flight test section at Wendover, Utah. Early Life Hartshorn was born on July 28, 1918 in McAllen, Texas.
Raymond A. Marchlewski served in the 1st Ordnance Squadron.
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. L. Willey worked for the Edenfield Electric Company.