National Museum of Nuclear Science & History
A. H. Frost worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.
Gilbert P. Church was a civil engineer and Project Manager at the Hanford site during the Manhattan Project.
John Nicklin worked for the United States Engineer District Office.