National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
Hinson worked at the 100-B Area at Hanford during the Manhattan Project.
Otto Nillige was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
