National Museum of Nuclear Science & History
Joe W. Howland was a medical officer in charge of special problems in the US Army, stationed in Oak Ridge, Tennessee and Rochester, New York during the Manhattan Project.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
R. S. Berry worked for the J.A. Jones Construction Company.
R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.