National Museum of Nuclear Science & History
Pfeiff worked in the 200 West Area at Hanford during the Manhattan Project.
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.
H. P. Holloway worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Vincent Lonnquist served in the 1st Ordnance Squadron.