National Museum of Nuclear Science & History
H. L. Huffman worked for the Roane-Anderson Company.
Evelyn “Evie” Wilcox was a machinist at Los Alamos during the Manhattan Project. Prior to joining, she worked on airplanes in California for the war effort.
Henry worked at the 300 Area at Hanford during the Manhattan Project.
J. R. Maddy worked for the United States Engineer District Office.