Ludwig Ritter von Köchel
Ludwig Alois Friedrich Ritter von Köchel (; 14 January 1800 – 3 June 1877) was an Austrian musicologist, writer, composer, botanist, and publisher. He is best known for cataloguing the works of Mozart and originating the 'KV-numbers' by which they are known (''KV'' for ''Köchel-Verzeichnis''). Provided by Wikipedia-
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