National Museum of Nuclear Science & History
E. S. Ryan, Jr. worked for the Poe Piping & Heating Company.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
Ratterman worked at the 200 East area at Hanford during the Manhattan Project.
W. D. Simms worked for the Tennessee Eastman Corporation at the Y-12 Plant.
