Complex sentence: During the late 1940s and early' 50s he carved out a career as an advisor for youth in teen-magazine columns and on radio, and his radio show for teenagers, "Mind Your Manners", received a Peabody Award in 1950.
Split into simpler sentences: During the late 1940s and early 1950s he carved out a career as an advisor for youth in teen magazine columns and on radio. His radio show for teenagers, "Mind Your Manners", received a Peabody Award in 1950.