"Karl Wilhelm Friedrich (after 1814: von) Schlegel (/ˈʃleɪɡəl/; German: [ˈfʁiːdʁɪç ˈʃleːgl̩];[10] 10 March 1772 – 12 January 1829), usually cited as Friedrich Schlegel, was a German ...
poet, literary critic, philosopher, philologist and Indologist. With his older brother, August Wilhelm Schlegel, he was one of the main figures of the Jena romantics. He was a zealous promoter of the Romantic movement and inspired Samuel Taylor Coleridge, Adam Mickiewicz and Kazimierz Brodziński. The first to notice what became known as Grimm´s law, Schlegel was a pioneer in Indo-European studies, comparative linguistics, and morphological typology." - (en.wikipedia.org 02.11.2019)