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I'm blanking on the name of an early Italian mathematician/astronomer, name begins with B I think... guy who first challenged the idea of a "celestial sphere" and that the stars were at varying distances etc. Help?
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Foremost practitioner of the Art of Memory--he once recited a list of 2000 names forward and backward after hearing them once, before the court of Pope Pius V. See Crowley's Aegypt cycle for fascinating treatment
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