"Otto Antonius (21 May 1885 in Vienna – 9 April 1945 in Vienna) was director of the Tiergarten Schönbrunn in Vienna, zoologist, palaeontologist and co-founder of the modern zoological biology." - (en.wikipedia.org 29.01.2020)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)