Jensen, Gustav, born Christmas Day, 1843, at Königsberg; pupil of Laub and Joachim; died Nov. 26th, 1895, as professor at the Conservatorium, Cologne. He wrote orchestral works, a violin sonata, chamber music, &c., besides ably editing and arranging many compositions of the old masters for violin and piano (“Classische Violin Musik”, “Vortragsstudien”, &c.).

Joachim, Joseph, Prof., Dr., born June 28th 1831, at Kitse near Pressburg; pupil of Böhm in Vienna. He was leader at Leipsic, Weimar, and Hanover; subsequently director of the High School, Berlin. He is the first among living violinists, and has formed a large number of prominent players.

Kalliwoda, Johann Wenzeslaus, born Feb. 21st 1801, at Prague, died Dec. 3rd 1866, at Karlsruhe; conductor of Prince Fürstenberg’s orchestra at Donaueschingen. In addition to violin pieces, he wrote symphonies and overtures.

Kes, Willem, born Feb. 16th 1856, at Dordrecht; pupil of David and Joachim. He was leader at Amsterdam, and Capellmeister at Dordrecht, and since 1883 conductor at Amsterdam.

Kiesewetter, Chr. Gottfried, born Dec. 24th 1777, at Ansbach, died Sept. 27th 1827, London; lived successively in Amsterdam, Oldenburg, Hamburg, Hanover and London.

Kömpel, August, born Aug. 18th 1831, at Brückenau; pupil of Spohr, David and Joachim; leader at Weimar, retired on a pension in 1884, died April 7th 1891, Weimar.

Königslow, Otto von, born Nov. 14th 1824, at Hamburg; pupil of Pacius and Hafner, afterwards of David. From 1858-1881, he was leader at Cologne and teacher at the Conservatorium, but resigned the former post on account of a bad arm; received the title of Professor, and removed to Bonn. Died 1898.

Kopecky, Ottokar, born April 28th 1850, at Chotebor in Bohemia; pupil of Bennewitz in the Prague Conservatorium. He was leader at the town theatre, Brünn, at the Mozarteum, Salzburg, and in the Sondershausen Court orchestra, where he received in 1881 the title of “Kammervirtuos”. He now lives in Hamburg as soloist and teacher.

Kotek, Joseph, born Oct. 25th 1855, at Kamenez-Podolsk in Russia, died Jan. 4th 1885, Davos; pupil of Laub and Joachim; teacher at the Berlin High School.

Kreutzer, Rudolph, born at Versailles, Nov. 16th 1766, died June 6th 1831, Geneva. He was a famous virtuoso, professor in the Paris Conservatoire, and composed much. His 42 Studies still remain at the head of all studies, and have passed through many editions. (Beethoven’s grandest violin sonata, Op. 47, is dedicated to him, although it is said he never played it. Tr.)