National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
K. Budrovich worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clark worked in the United States Engineer District Office.
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.
