National Museum of Nuclear Science & History
T. L. Harrigan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
D. L. Jameson served in the 390th Air Service Group.