National Museum of Nuclear Science & History
Francis R. Shonka (1906-1970) was an American physicist and inventor. Shonka taught physics for a number of years in China and at St.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gilbert worked at the 200 West Area at Hanford during the Manhattan Project.
Cummins worked for Stone and Webster Engineering Corporation.
