H. Torrey Walker Jr.

John M. Vegh

In a communication to Stone & Webster Engineering Corporation, General Leslie Groves gave instruction to discontinue work on the Y-12 Alpha 1 4-J unit, and, authorized Westinghouse Electric Corporation to hire additional draftsmen to accelerate the Y-12 Alpha 2 30-J uranium enrichment program at Oak Ridge, TN.

George W. Campbell

George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

L. B. Whitman

Mary Alice Nachtrieb

Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.