Complex sentence: Peter Murray attended St Paul's School, London and joined the English service of Radio Luxembourg in 1949 or 1950 as one of its resident announcers in the Grand Duchy, and remained there until 1956.
Split into simpler sentences: Peter Murray attended St Paul's School, London. He first joined the English service of Radio Luxembourg in 1949 or 1950 as one of its resident announcers in the Grand Duchy, and remained there until 1956.