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. R. Siebert

Oak Ridge, TN

J. R. Siebert worked for the Comstock-Bryant Electric Company.

Thomas H. Olmstead

Tinian Island

Thomas H. Olmstead worked as a part of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.

J. E. Dooley

Oak Ridge, TN

J. E. Dooley worked for the Roane-Anderson Company.

Richard Apple

Chicago, IL

Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.