National Museum of Nuclear Science & History
Clark worked in the United States Engineer District Office.
Ernest O. Lawrence (1901-1958) was an American scientist and 1939 recipient of the Nobel Prize in Physics for his invention of the cyclotron.
Kistler worked in the 200 West Area at Hanford during the Manhattan Project.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
