Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

G. R. Calhoun

Project StaffB Reactor/100 Area

Hanford, WA
Manhattan Project VeteranProject Worker/Staff
The first large-scale nuclear reactor in history, the B-Reactor, in Hanford, Washington

Calhoun worked at the 100-B Area at Hanford during the Manhattan Project. 

Related Profiles

H. M. Everson

Hanford, WA

Richard S. Guenther

K-25 Plant

Attended Texas A&M University.

James H. Bridges

Tinian Island

James H. Bridges served in the 393rd Bombardment Squadron. 

Ernest E. Wollan

Chicago, IL

Ernest E. Wollan was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.