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

Charles J. Prochaska

Los Alamos, NM

Glen Lindsey

Los Alamos, NM

Martha Ross

Oak Ridge, TN

Martha Jackson Ross studied history and English at Montevallo College for Women. She worked on the Manhattan Project at Oak Ridge.

Joseph Hans

Chicago, IL

Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.