National Museum of Nuclear Science & History
Welch worked at the 200 West Area at Hanford during the Manhattan Project.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
Walter Pelton worked for the Kellex Corporation at the K-25 Pelton.
