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

J. E. Crawford

Oak Ridge, TN

J. E. Crawford worked for the Midwest Piping and Supply Company.

E. S. Day

Hanford, WA

O. W. Childs

Y-12 Plant

O. W. Childs worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Elmer Kelly

Tinian Island

Elmer began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.