National Museum of Nuclear Science & History
S. W. Scharf served in the 390th Air Service Group.
Francis worked in the United States Engineer District Office.
Robert Plott was a research assistant at the Chicago Met Lab during the Manhattan Project.
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.
Frank J. Schnettler was an American metallurgist who studied the properties of plutonium at Los Alamos.