National Museum of Nuclear Science & History
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lauchlin M. Currie was born in 1897. Currie was a chemical engineer who worked in barrier production at the Houdaille-Hershey plant in Decatur, IL.
Henry Wigen worked for the United States Engineer District Office.
Leonard Motichko worked as a part of Project Alberta, the team that transported and assembled the two atomic bombs in August 1945.
W. Harrison worked for the H. K. Ferguson Company.