National Museum of Nuclear Science & History
Elmer began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
B. D. Johnson worked for the Southern Bell Telephone Company.
J. H. Russell worked for the United States Engineer District Office.
