Sentence 1: Kenneth Royce Gandley ( 1920 -- 1997 ) was an English thriller writer who also wrote under name Ken Royce , and the pseudonym Oliver Jacks .
Sentence 2: Kenneth Royce Gandley ( 1920 -- 1997 ) was an English thriller writer who also wrote under the name Ken Royce and the pseudonym Oliver Jacks .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?