National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
S. J. Butensky served in the 390th Air Service Group.
William Kann was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Pearl Jones worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Twichell worked at 200 West Area at Hanford during the Manhattan Project.