Whoever closes his eyes to the past is blind to the present.
Richard von Weizsäcker

* 8. September 1783 in Erlangen; † 28. Juni 1821 in Agrigent, Sizilien

war ein deutscher Naturforscher. Sein offizielles botanisches Autorenkürzel lautet „Schweigg.“. Er wurde nach seinem Taufpaten August Friedrich Pfeiffer benannt.

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