National Museum of Nuclear Science & History
Paul Lentz served in the 390th Air Service Group.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.
George A. Porter served in the First Ordnance Squadron.
Eugene Olsen was a staff worker at Los Alamos during the Manhattan Project.