National Museum of Nuclear Science & History
H. G. Mullican worked for the J.A. Jones Construction Company.
Margaret Ramsey Keck (1923-2016) was an American physicist. Soon after she graduated in 1945 from the University of Rochester with a degree in physics, Keck was hired by the Manhattan Project to work at Los Alamos.
D. W. Latimore worked for Clinton Laboratories at the X-10 Reactor.
John W. Burr was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.