"Philipp IV of Hanau-Lichtenberg (20 September 1514, in Babenhausen – 19 February 1590, in Lichtenberg) was from 1538 to 1590 the reigning Count of Hanau-Lichtenberg. Before his accession he had already conducted government business on behalf of his father, Count Philipp III. He was very interested in alchemy." - (en.wikipedia.org 12.08.2021)
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