It is the Worlds longest running childrens tv show, broadcasting weekly since 1958, my definition of greatness is clearly different to yours.Blue Peter was not that great really.
Most people of about 45 and upwards must have good memories of him.
The overhang at an angle is a real scary one. That's what put me off ladders at an early point in apprenticeship . And nowhere near as high !!!Just seen the clip of him climbing Nelson's Column. Never mind the lack of safety gear by today's standards, look at the size of his flares! One strong gust of wind and that would have been it. Hats off to the man.