National Museum of Nuclear Science & History
Holt worked for Stone and Webster Engineering Corporation.
Max Stansbury worked for the United States Engineer District Office.
Bernard Rosenman served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
