National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harry Winkler worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Coveyou worked for Clinton Laboratories at the X-10 Reactor.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.