National Museum of Nuclear Science & History
John Luttrell worked for the United States Engineer District Office.
Howard Braasch was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. R. Siebert worked for the Comstock-Bryant Electric Company.
C. E. Stone worked for Clinton Laboratories at the X-10 Reactor.
C. G. Green worked for the Tennessee Eastman Corporation at the Y-12 Plant.