National Museum of Nuclear Science & History
Robert Plott was a research assistant at the Chicago Met Lab during the Manhattan Project.
Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Louis Martinelli worked for the United States Engineer District Office.
In 1943, Jess Brinkerhoff was working at Du Pont's Remington Arms ammunition plant in Salt Lake City as a warehouse and shipping foreman.