Alexander Keyserling
1815
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1891
photo credits: Wikimedia Commons
country of citizenship: Russian Empire
educated at: Humboldt University of Berlin
occupation: explorer, paleontologist, geologist, botanist, arachnologist, land owner, ornithologist, zoologist
Alexander Friedrich Michael Lebrecht Nikolaus Arthur Graf von Keyserling (15 August 1815 – 8 May 1891) was a Baltic German geologist and paleontologist from the Keyserlingk family of Baltic German nobility. Source: Wikipedia (en)
Human - wd:Q63106