National Museum of Nuclear Science & History
S. C. Welliever worked for the United States Engineer District Office.
Hollenbach worked at the 200 West Area at Hanford during the Manhattan Project.
Charles Mignon worked for the Kellex Corporation at the K-25 Plant.
Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.