"Ottokar Lorenz (17 September 1832 – 13 May 1904) was an Austrian-German historian and genealogist. He was born in Iglau (now Jihlava, Czech Republic) and died in Jena. He was the father of chemist Richard Lorenz (1863-1929).
He studied philology, history and philosophy in Vienna, where his instructors included Hermann Bonitz, Joseph Aschbach and Albert Jäger. From 1861 to 1885, Lorenz was a professor of history at the University of Vienna, being appointed rector in 1880. Afterwards, he was a professor at the University of Jena.
He was a founder of modern "scientific genealogy". Some of his better written efforts are as follows:" - (en.wikipedia.org 09.06.2020)
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