National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
Girdler worked at the 300 Area at Hanford during the Manhattan Project.
L. P. Schmitt worked for the United States Engineer District Office.
Sidney Robinson (d. 1972) worked on the Manhattan Project in Chicago. He was from New York City, and attended City College.
John D. Hopper served as a civilian in Project Alberta.
