Mononymous person town of Stendal, birthplace of the German art historian Johann Joachim Winckelmann, whom Stendhal admired. In the 20th century, a fourth French writer, Sidonie-Gabrielle Colette (author of "Gigi", 1945), used her actual surname as her mononym pen name, Colette. Some French actors and singers have used their given name or surname as a stage mononym. In the 17th and 18th centuries, most Italian castrato singers used mononyms as stage names (e.g. Caffarelli, Farinelli). The German writer, mining engineer and philosopher, Georg Friedrich Philipp Freiherr von Hardenberg (1772–1801), became famous as Novalis. The 19th-century Dutch writer Eduard Douwes Dekker (1820–87), better
Sidonie Nádherná von Borutín during Nádherná's lifetime. Sidonie Nádherná von Borutín Sidonie Nádherná von Borutín (1 December 1885 – 30 September 1950; alternatively Sidonie Nádherný or Sidonie Nádherná z Borutína) was a Bohemian baroness known for hosting literary salons and her correspondence with Rainer Maria Rilke and Karl Kraus. Sidonie Amálie Vilemína Karolína Julie Marie Nádherná von Borutín was the youngest child of landowner Karel Boromejský Jan Ludvík (1849–1895), Knight Nádherný of Borutín, and his wife Amalie Klein von Wisenberg (1854–1910), a daughter of the businessman Albert Klein von Wisenberg. Her older brothers were Jan Karel Ludvík Sidonius Adalbert Julius Otmar Maria and Karel