National Museum of Nuclear Science & History
C. M. Wallace worked for the J.A. Jones Construction Company.
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.
W. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Haines worked at the 100-B Area at Hanford during the Manhattan Project.
