National Museum of Nuclear Science & History
John Leahy worked for the United States Engineer District Office.
Richardson worked at the 200 West area during the Manhattan Project.Richardson worked at the 200 West area at Hanford during the Manhattan Project.
Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
William “Bill” Harris Penny’s parents came to the United States from Newfoundland in 1910.