[Wikipedia] Granville Beynon

[Wikipedia] Granville Beynon

Sir William John Granville Beynon, CBE, FRS (24 May 1914 in Dunvant – 11 March 1996 in Aberystwyth) was a Welsh physicist. He co-operated with Sir Edward Victor Appleton, who had detected the terrestrial Ionosphere.

https://en.wikipedia.org/wiki/Granville_Beynon

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