National Museum of Nuclear Science & History
J. A. Copeland worked for the Poe Piping & Heating Company.
L. C. Manheimer worked for the Roane-Anderson Company.
J. Ernest Wilkins Jr. (1923-2011) was a prominent African American mathematician and physicist who worked at the University of Chicago Met Lab during the Manhattan Project.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.
George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.