National Museum of Nuclear Science & History
Frei worked for Stone and Webster Engineering Corporation.
Fred Saak served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Fred Hughes was a Reactor Operator at the Hanford B Reactor from 1943 through the end of the war. He worked for the DuPont Company, who transferred him from Prior, Oklahoma to Hanford in 1943.
John B. Taylor served in the 509th Headquarters.