National Museum of Nuclear Science & History
Hockett worked for Stone and Webster Engineering Corporation.
R. O. worked for Clinton Laboratories at the X-10 Reactor.
R. A. Porter worked for the United States Engineer District Office.
H. T. Welty, Jr. worked for the Roane-Anderson Company.
Mollie Sprio was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
