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date: 29 January 2020

Jahnn, Hans Hennylocked

  • Dietrich Kilian
  • , revised by Hermann Fischer


(b Stellingen, nr Hamburg, Dec 17, 1894; d Hamburg, Nov 29, 1959). German writer, publisher and authority on organ building. In 1921, with Gottlieb Harms, he founded the Ugrino religious community; among its aims was the revival and publication of early music through its own publishing house, founded in 1923, to which (apart from his years of exile to Denmark, 1933–45) Jahnn belonged and of which he became the sole owner in 1956. His rebuilding in 1923 of the Schnitger organ in Jacobikirche, Hamburg, became the model for the Orgelbewegung, whose first congress he organized with Günther Ramin in Hamburg in 1925. As co-founder of the German Council of Organists in 1927, he directed the council’s experimental section from 1931 to 1933 and was organ consultant for Hamburg; during his exile in Bornholm he was adviser to the Copenhagen firm of Frobenius. Over 100 organs were restored or newly built according to his plans, including the Klopstock organ at Altona-Ottensen, the organ of the Pädagogische Akademie, Kiel, the Maximilian organ in Düsseldorf, the Cavaillé-Coll organ in Metz Cathedral, the organ at St Petri, Malmö, and the organ at the German broadcasting service in Berlin. Several of the new instruments explored Jahnn’s original ideas for the development of the instrument, including those at the Lichtwarkschule, Hamburg, built by Kemper in ...

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