National Museum of Nuclear Science & History
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
H. E. Elliot worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. M. Marshall worked for the Roane-Anderson Company.
Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
