National Museum of Nuclear Science & History
Grace Hardin worked for the J.A. Jones Construction Company.
Patricia Lear was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Perry Johnson worked for Clinton Laboratories at the X-10 Reactor.
Albert Tannenbaum was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Wright Langham was an American biochemist and one of the foremost experts on plutonium. After completing his Ph.
