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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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Ira L. Crowson

Los Alamos, NM

L.R. Riggs

Hanford, WA

Ralph R. Tison

Tinian Island

Ralph R. Tison served in the 393rd Bombardment Squadron.

Elizabeth V. Davis

Los Alamos, NM

Elizabeth V. Davis worked at the Los Alamos National Laboratory. She worked in SP-4 of Norris Bradbury’s division purchasing nuclear supplies from 1947 to 1957.