National Museum of Nuclear Science & History
Appears in the 1944 Hanford Telephone Directory as “Petersen” and the 1945 Directory as “Peterson”.
Allman worked at the 100 B Area at Hanford during the Manhattan Project.
Hart worked at the 300 Area at Hanford during the Manhattan Project.
Andrew Walker was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.