I'm Sorry I Haven't a Clue pause in the middle of speaking, a reference to Radio 4's other long-running panel show "Just a Minute". (Likewise, occasionally on "Just a Minute", a panellist will make a challenge of "Mornington Crescent".) Chairman Jack Dee frequently pokes fun at "Just a Minute", particularly its chairman Nicholas Parsons, whom he mimics in constantly emphasising the long experience of some panellists, and the fact that the programme can be heard all over the world. The programme has won the Gold Sony Radio Comedy Award three times: Other awards: "Clue" has been broadcast since 11 April 1972 on BBC Radio 4 with
Humphrey Lyttelton and Jeremy Hardy. Lyttelton died peacefully following his surgery on 25 April 2008 with his family around him. BBC Radio 4 broadcast a 1995 episode of "I'm Sorry I Haven't a Clue" as a tribute on Sunday 27 April, and a retrospective programme presented by Kenneth Clarke on Wednesday 30 April 2008. Radio 4 celebrated "Humphrey Lyttelton Day" on Sunday 15 June 2008, including a new profile of "ISIHAC" by Stephen Fry called "Chairman Humph — A Tribute". After his death, the controller of Radio 4, Mark Damazer, said: "He's just a colossally good broadcaster and possessed of this fantastic