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All the reports I read said that it was his TV career that "panned seven decades. However, I have to admit that I got my sums wrong. To span seven decades you only need 52 years. For instance, to use those named by jackthehat, 1959 to 2011. This covers the 50s, 60s, 70s, 80s, 90s, 00s and 10s -- seven decades. But if you discount the 'named' decades and allow any ten-year period to count as a decade, and go from his first appearance, 1963, add 52, gives 2015. No, if he retired in 2007, it's still not enough. He may have appeared on TV in 2015 or later and, no doubt, being a Yorkshireman, he would have been paid to appear, so those appearances, if they exist, may count as part of his TV career. I agree with Tilly2 and Zaks-Master, it doesn't really matter. But I think a lot of people have copied and pasted "seven decades" without thinking about it.