National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Gaffney worked in the United States Engineer District Office.
Richard Claassen was a research assistant at the SAM Lab at Columbia University from 1944 to 1946. While there, he built and used fluidic systems to test for unusual leaks in diffuser tubes.
Frank Swoboda was a staff worker at Los Alamos during the Manhattan Project.
