National Museum of Nuclear Science & History
Cofer worked in the United States Engineer District Office.
Thomas Lanahan was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
