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National Museum of Nuclear Science & History

John H. Smith

GuardChicago, IL

Manhattan Project VeteranProject Worker/Staff
Sketch of Chicago Pile-1 by Melvin A. Miller

John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.

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Mary V. Leonard

Research & Development/300 Area

Leonard worked in the 300 Area at Hanford during the Manhattan Project.

Spofford G. English

Chicago, IL

Spofford G. English was an American chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge during the Manhattan Project.

Fred D. Butler

Tinian Island

Fred D. Butler served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.

Merril F. Buck

Los Alamos, NM