National Museum of Nuclear Science & History
Crouthamel worked in the United States Engineer District Office.
Louis Olivas was a staff worker at Los Alamos during the Manhattan Project.
Frank E. Ortiz served in the 603rd Air Engineering Squadron.
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.
