National Museum of Nuclear Science & History
J. D. Trimmer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Marion R. Villarreal served in the 603rd Air Engineering Squadron.
C. H. Pearson worked for the Kellex Corporation at the K-25 Plant.
