Anton Joseph (A. J. ) Hampel (born Prague, 1710, died 30 March 1771) was a horn player from Dresden, Germany, who is generally credited with having developed, somewhere between 1750 and 1760, the technique of hand-stopping which allows natural horns to play fully chromatically. Prague (ˈprɑːg Praha (ˈpraɦa see also other names) is the Capital and Largest city of the Czech Republic. Dresden (etymologically from Old Sorbian Drežďany, meaning people of the riverside forest, Drježdźany is the Capital city of the German Germany, officially the Federal Republic of Germany ( ˈbʊndəsʁepuˌbliːk ˈdɔʏtʃlant is a Country in Central Europe. Hand-stopping is a technique by which a Natural horn can be made to produce notes outside of its normal harmonic series. The natural horn is a musical instrument that is the ancestor of the modern-day horn, and is differentiated by its lack of valves This was one of the most important innovations in the history of the horn, comparable with Heinrich Stölzel's development of the first valve horn in 1817. Heinrich Stölzel ( 7 September 1777 &ndash 16 February 1844) was a German horn player who developed some of the first valves
It was this development that enabled the horn repertoire of Mozart, Weber and others to be written. Carl Maria Friedrich Ernst von Weber ( 18 December 1786 in Eutin, Holstein, Germany - 5 June 1826 in London
Hampel worked with Dresden instrument maker Johann Werner, collaborating on the design of the so-called Inventionshorn, which used sliding medial crooks inside the hoop in an attempt to achieve a fully chromatic instrument. Johann(es Werner ( 14 February 1468 in Nuremberg, Germany &ndash May 1522 (also Ioannis Verneri
Hampel also taught Giovanni Punto, who went on to refine the hand-stopping technique and spread it through Europe, inspiring works from composers such as Beethoven. Giovanni Punto (born Jan Václav Stich) ( September 28, 1746 – February 16, 1803) was a horn player (more correctly he Ludwig van Beethoven ( English ˈlʊdvɪg væn ˈbeɪtoʊvən, 16 December 1770 &ndash 26 March 1827 was a German Composer and Pianist.