National Museum of Nuclear Science & History
M. P. Lafleur worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Walter Goodman joined the Special Engineer Detachment at Los Alamos in 1943. Goodman worked as an electrical engineer on the implosion bomb with Manhattan Project scientists Luis Alvarez and Harold Agnew.