The magazine this year celebrated the 90th anniversary.
On the web site, the Guardian said the front pages are part of all from those nine decades, covering events including world war two and the moon landings. An exhibition, Cover Story: Radio Times at 90, will be staged at the Museum of London from August 2 until November 3 to features all these covers and more, it said.
Source: http://www.guardian.co.uk/media/gallery/2013/jul/30/radio-times-90-years-covers-in-pictures