Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

R. P. Stiefel

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

Related Profiles

Robert B. Winsboro

K-25 Plant

Attended the University of Virginia.

Dennis J. Nyhan

Tinian Island

Dennis J. Nyhan served in the 1st Ordnance Squadron.

John M. Sprecher

Wilmington, DE

John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.

Percival “Dobie” Keith

Tinian Island

Percival C. “Dobie” Keith was Vice President for Research and Engineering for the M.W. Kellogg Company.