"Sigismund Ernst Richard Krone was a German naturalist, zoologist, spelunker, archaeologist and researcher born on 18 June 1861 in Dresden, Germany. Having been the discoverer of the Devil's Cave in 1891, together with the Danish naturalist Peter Wilhelm Lund (1801-1880) he explored and studied the endokarst region of southeast Brazil, making both paleontological and archaeological discoveries in 41 of Iporanga's caves, which he examined between 1895-1906." - (en.wikipedia.org 11.08.2021)
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