National Museum of Nuclear Science & History
A. L. Smith worked for the J.A. Jones Construction Company.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
Eric Jette (1897-1963) was an American metallurgist. He was a professor of metallurgy at Columbia University School of Mines before being recruited for the Manhattan Project.
J. E. Gossett worked for the J.A. Jones Construction Company.
Robert Francis worked for Hanley & Company.
