National Museum of Nuclear Science & History
Thomas Finnegan worked for the H. K. Ferguson Company.
R. W. Engels worked at the 300 Area at Hanford during the Manhattan Project.
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. B. Dutton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
