National Museum of Nuclear Science & History
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Jones worked at the 300 Area at Hanford during the Manhattan Project.
H. R. Brigham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marshall worked in the 300 Area at Hanford during the Manhattan Project.
John O. Williams served in the 603rd Air Engineering Squadron.