National Museum of Nuclear Science & History
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Attended the City College of New York.
Wayne Marshall was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph Peters worked for the Tennessee Eastman Corporation at the Y-12 Plant.
F. J. Ward worked for the J.A. Jones Construction Company.