Quantz later told writer Friedrich Nicolai that he and Hans Hermann von Katte one day had to hide in a closet during an outburst of Frederick's domineering father, who disapproved of his son's hairstyle, musical studies, questionable books and fancy dressing gowns.

citation

Wikipedia contributors. (2023, October 25). Johann Joachim Quantz. In Wikipedia, The Free Encyclopedia. Retrieved November 9, 2023, from https://en.wikipedia.org/w/index.php?title=Johann_Joachim_Quantz&oldid=1181806257

Eta Aquilae (stars.astro.illinois.edu) ETA AQL (Eta Aquilae). Lying almost exactly one degree north of the celestial equator, this quite- wonderful mid-fourth magnitude (nominally 3.90) star in Aquila (the Eagle) glides across the sky just 8 degrees to the south of much brighter first magnitude Altair.

Johann Joachim Quantz (Wikipedia) Johann Joachim Quantz (German: [kvants]; 30 January 1697 – 12 July 1773) was a German composer, flutist and flute maker of the late Baroque period. Much of his professional career was spent in the court of Frederick the Great. Quantz composed hundreds of flute sonatas and concertos, and wrote On Playing the Flute, an influential treatise on flute performance. His works were known and appreciated by Bach, Haydn and Mozart.