National Museum of Nuclear Science & History
Ralph Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Brown worked at the 100-F Area at Hanford during the Manhattan Project.
A. A. Groppe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leonard worked in the 300 Area at Hanford during the Manhattan Project.
W. S. Porter worked for the Tennessee Eastman Corporation at the Y-12 Plant.