Complex sentence: Christopher Leonard Trace (March 21 1933--September 5 1992) was a British actor and television presenter, most famous for his nine year stint as a presenter of the BBC One children's programme "Blue Peter".
Split into simpler sentences: Christopher Leonard Trace (March 21 1933--September 5 1992) was a British actor and television presenter. He was most famous for his nine year stint as a presenter of the BBC One children's TV programme "Blue Peter".