National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
C. J. Carrol worked for the Poe Piping & Heating Company.
Gerold Tenney was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
In the 1944 Hanford Phone Book, he is listed under R. C. Theil. In the 1945 Hanford Phone Book, he is listed under R.
