National Museum of Nuclear Science & History
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
Seymour Bernstein (1923-2015) was an American chemical engineer who worked on the Manhattan Project. He was a member of the Special Engineer Detachment at Oak Ridge and worked as a laboratory supervisor at the K-25 Plant.
James A. Beatson served in the 1st Ordnance Squadron.
