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
Master I. A. M. of Zwolle Last Supper", and Ferdinand Columbus (the son of Christopher Columbus) owned a copy of "Allegory of the Transience of Life". Master I. A. M. of Zwolle Master I. A. M. of Zwolle (known works 1470–1490, lifetime estimated as ca. 1440–1504) was an anonymous Dutch goldsmith and engraver who signed many of his works with his initials I. A. M. or I. A., and added "Zwolle" to some. His work is characterized by crowded and active scenes of people, graded tones and crisp strokes. Only 26 works by his hand are extant. One theory of Master I. A. M.'s identity points