There is no "period" after the "S" in Harry S Truman because it is not an abbreviation.
I have some more facts I think are interesting:
Harry Truman was a demoncrat.
he was a wonderful and smart woman
Yes, he had one kid. Her name was Margarete.
he was a wonderful and smart woman
Harry S. Truman
Harry S Truman
Harry S. Truman
Truman in 1951
Harry truman was a liar!:)
No, Harry Truman is not single.
No. Harry Truman has no connection with Harry Potter.
Harry S. Truman