National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Walter Main worked for the United States Engineer District Office.
William “Bill” Harris Penny’s parents came to the United States from Newfoundland in 1910.
