National Museum of Nuclear Science & History
L. F. Kogler served in the 390th Air Service Group.
Helgeson worked at the 300 Area at Hanford during the Manhattan Project.
L. E. Combs worked for the Roane-Anderson Company.
R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
G. B. Miller worked for the Roane-Anderson Company.