National Museum of Nuclear Science & History
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.
Kenneth Bainbridge (1904-1996) was an American physicist. In September 1940, Bainbridge was the first physicist to be recruited by Ernest Lawrence to the microwave “radio location” project that became the Radiation Laboratory at MIT.
Hugh Barton was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.