National Museum of Nuclear Science & History
Louis J. Hefferman served in the 1395th Military Police Company, Aviation.
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.
Vivian Olum was a staff worker at Los Alamos during the Manhattan Project. She was married to physicist Paul Olum.
