National Museum of Nuclear Science & History
Vaughn worked at the 200 West Area at Hanford during the Manhattan Project.
Clarence M. Shepler served in the 393rd Bombardment Squadron.
Manson Benedict was an American nuclear engineer. Benedict was born in 1907 in Lake Linden, Michigan.
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.