In what year did 'Doctor Who' premiere?

On which network did '60 Minutes' originally air? In what year did '60 Minutes' premiere? Who created '60 Minutes'? On which network did 'Doctor Who' originally air? In which TV series is Lucy Ricardo a main character? Who played Ricky Ricardo in 'I Love Lucy'? Who played Ralph Kramden in 'The Honeymooners'? Who played Barney Fife in 'The Andy Griffith Show'?