John Swanson

Project StaffResearch & Development/300 Area

Hanford, WA

Manhattan Project VeteranProject Worker/Staff

Swanson worked at the 300 Area at Hanford during the Manhattan Project.

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Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.

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Los Alamos, NM

D. Webster

T-Plant/200 Areas

Webster worked at the 200 East Area at Hanford during the Manhattan Project.