National Museum of Nuclear Science & History
Frederick Kalinoff worked for the Roane-Anderson Company.
Jack Smith was a staff worker at Los Alamos during the Manhattan Project.
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.
Honnecker worked at the 300 Area at Hanford during the Manhattan Project.