National Museum of Nuclear Science & History
Chalgren worked at the 200 West Area at Hanford 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.
Richard Feynman (1918-1988) was an American theoretical physicist who received the Nobel Prize in 1965.
Attended University of Michigan.