National Museum of Nuclear Science & History
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jane Hamilton Hall (1915-1981) was an American physicist. Shortly after receiving her Ph.D. in physics from the University of Chicago in 1942, Hall became a research assistant at the Chicago Metallurgical Laboratory.
John Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.