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Dorothy Sayers - the all-time best mystery writer in the history of the known universe. I must have fallen in love with her as a teenager; she introduced me to change ringing and the fens via Lord Peter Wimsey and The Nine Tailors. I had no idea, of course, that she was responsible for the fall of Singapore.
http://www.pinchofintelligence.com/painting-by-prime-number/
See also, the Corpus Christi Prime:
https://friendlyfieldsandopenmaps.com/2017/09/08/the-corpus-christi-prime/
