National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.
I. S. White worked for the United States Engineer District Office.