Abstract

There is no shortage of earlier articles like this in Geophysics, TLE, and the journals of other relevant societies and, of course, they tend to appear at major milestones such as 25-year anniversaries and their multiples, century changes, etc. Some have made accurate predictions and some have been way off the mark—and I've enjoyed reading all of them. Take for example some of the opening words from Paul Lyons' presidential address exactly 50 years ago:

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