National Museum of Nuclear Science & History
Pettengill served in the 393rd Bombardment Squadron.
H. T. worked for Clinton Laboratories at the X-10 Reactor.
Kenneth Wiley was a staff worker at Los Alamos during the Manhattan Project. Prior to joining, he worked in California building ships for the war effort.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
