National Museum of Nuclear Science & History
R. O. worked for Clinton Laboratories at the X-10 Reactor.
Arthur Sievert worked for Hanley & Company.
Frank Fessenden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William C. “Bill” Elmore was an American experimental physicist who served as the chairman of the Physics department at Swarthmore College from 1948 to 1968.
A. J. Poli served in the 509th Headquarters.