About Heinrich Stölzel
Heinrich David Stölzel was a German horn player who developed some of the first valves for brass instruments. He developed the first valve for a brass musical instrument, the Stölzel valve, in 1818, and went on to develop various other designs, some jointly with other inventor musicians. Heinrich David Stölzel (7 September 1777 – 16 February 1844) was a German horn player who developed some of the first valves for brass instruments. Stölzel's early two-valve horn design was soon expanded to three by instrument builder Christian Friedrich Sattler of Leipzig, and the first valve trumpets were built in 1820.
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