National Museum of Nuclear Science & History
Celeste Hand was a switchboard operator at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold Knisley served as a private first class in the 393rd Bomb Squadron in the 509th Composite Group as an aircraft mechanic.
Robert L. Butenhoff worked in the Instrument and Physical Measurements Group in Clinton Laboratories at the X-10 Reactor.
Marcia W. Wooster was a lab technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
