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National Museum of Nuclear Science & History

J. B. Long

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

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W. C. Long

Hanford, WA

Lew Kowarski

France

Lew Kowarski was a Russian-born French physicist. He worked as part of the team that discovered that neutrons were emitted in the fission of uranium-235 in the 1930s, setting the groundwork for the use of nuclear chain reactions in the design of the atomic bomb.

V. D. Donihee

T-Plant/200 Areas

V. D. Donihee worked at the 200 West Area at Hanford during the Manhattan Project.

F. W. Matson

B Reactor/100 Area

Matson worked in the 100 F Area at Hanford during the Manhattan Project.