National Museum of Nuclear Science & History
Halbrook worked in the United States Engineer District Office.
Fisher worked for Stone and Webster Engineering Corporation.
Schrader worked at the 200 West Area at Hanford during the Manhattan Project.
Horace Reeves worked for the J.A. Jones Construction Company.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.