Today in Rock History 1/6

Here's your daily look at 'Today in Rock History' featuring: Kate McKinnon is 36. Eddie Redmayne is 38. He's Newt Scamander in the "Fantastic Beasts" movies. He also won an Oscar as Stephen Hawking in "The Theory of Everything." Julie Chen is 50. "Big Brother" host and wife of former CBS President Les Moonves. Malcolm Young from AC/DC was born on this day in 1953. Today in 1973, "Schoolhouse Rock" premiered on ABC with Multiplication Rock. In 1994, Tonya Harding's chubby assault team caught up with Nancy Kerrigan after practice in Detroit and beat her about the right leg with an iron bar.