National Museum of Nuclear Science & History
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
Appears in the 1944 Hanford Telephone Directory as “Petersen” and the 1945 Directory as “Peterson”.
A. H. Dahl worked for the Tennessee Eastman Corporation at the Y-12 Plant.