National Museum of Nuclear Science & History
Piper worked for Stone and Webster Engineering Corporation.
Herbert E. Lindemann served in the 509th Headquarters and Base Services Squadron.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Doris Allen (1915-2013) was a nurse in the hospital at Los Alamos during the Manhattan Project. Born in Decatur, Illinois, Allen graduated from the Washington University School of Nursing in 1943.