Sentence 1: His son Henry Wheeler Shaw ( 1818 -- 1885 ) , under the pseudonym Josh Billings , became a well-known humorist .
Sentence 2: His son Josh Billings ( 1818 -- 1885 ) became a well-known humorist under the pen name Henry Wheeler Shaw .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?