Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

George Challis

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

Related Profiles

Calvin B. Popwell

Tinian Island

Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.

Harry P. Snowden

Los Alamos, NM

Charles Mayette

Oak Ridge, TN

Charles Mayette worked for Hanley & Company.

N. Calvert

Hanford, WA