John E. Mikkali

Gilbert Plass

Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.

H. S. Russell

Oak Ridge, TN

H. S. Russell worked for the Roane-Anderson Company.

David Hawkins

Los Alamos, NM

David Hawkins (1913-2002) was an administrative aide at Los Alamos and the Manhattan Project’s official historian.

Carl Helmholz

University of California, Berkeley

Carl Helmholz (1915-2003) was an American physicist involved with the Manhattan Project. Helmholz was born on May 24, 1915 in Evanston, Illinois.

Electrical EngineerX-10 Graphite Reactor

Oak Ridge, TN

EngineerManhattan Project VeteranMilitary VeteranSpecial Engineer Detachment

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