National Museum of Nuclear Science & History
Frank Pratt worked for the J.A. Jones Construction Company.
Pearline Boykin was a technical worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John L. Kuranz (1921-1995) was an American engineer, physicist, and inventor. During the Manhattan Project, Kuranz was a member of the Special Engineer Detachment at the University of Chicago Met Lab.
