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1915 – 1920
Town School of Music in Bratislava (Alexander Albrecht)
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1916 – 1924
secondary grammar school in Bratislava
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1920 – 1924
studies at the School of Music for Slovakia in Bratislava (piano – Frico Kafenda, violoncello – R. Rupník)
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1924 – 1929
Hochschule für Musik und darstellende Kunst in Vienna (composition – Franz Schmidt, J. Marx, conducting – C. Krauss, A. Wunderer, violoncello – F. Buxbaum)
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1929 – 1933
taught the theory of music and violoncello playing at the Town School of Music in Bratislava
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1929 – 1933
assistant to C. Krauss at Master Courses in Salzburg
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1930 – 1932
studies of composition at the Master School of the F. Liszt University of Music in Budapest (Ernő Dohnányi)
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1934
conductor of the Hungarian Radio Orchestra in Budapest
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1935 – 1945
the first conductor of the Hungarian Radio Orchestra in Budapest
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1936
Doctor honoris causa (College of Music New York)
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1938 – 1945
taught chamber music and orchestral practice at the F. Liszt University of Music in Budapest as a special professor and from 1941 as a full professor
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1943
co-founder of the Hungarian Radio Symphony Orchestra in Budapest
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1946 – 1949
conductor-in-chief of the Czechoslovak Radio Symphony Orchestra in Bratislava
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1949 – 1974
teacher of conducting and chamber music at the Academy of Performing Arts, Bratislava; from 1951 principal teacher of a conducting class; from 1964 dozent
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1949 – 1976
co-founder and the first conductor of the Slovak Philharmonic
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1966
led conducting master courses at the Summer Academy Mozarteum in Salzburg
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1968 – 1969
permanent guest conductor of the Radio Symphony Orchestra in Basel
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1968 – 1977
again, conductor-in-chief of the Czechoslovak Radio Symphony Orchestra in Bratislava
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1983 – 1992
regularly participated in meetings of the Slovak Young Musicians as conductor of the Slovak Young Musicians Orchestra
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1991
appointed honorary conductor-in-chief for life of Savaria Symphony Orchestra in Szombathelyi
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1991
appointed professor of conducting, in the context of rehabilitation proceedings
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1994
head of master courses in conducting in Orvieto (Italy)
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1999
honorable chief-conducter of the Slovak Philharmonic
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2000
honorable member of the Hungarian Academy of Arts
"In the field of composition he represents a style that is distinctive in the Slovak musical milieu. The roots of his work are in the Viennese and Budapestian compositional school (F. Schmidt, E. Dohnányi, B. Bartók, A. Albrecht). His music is characterised by originality within the framework of traditional rules, broad perspective in form and harmony, concentration, equilibrium of the rational and emotional elements, and a sense of humour and lyricism. His compositional language reaches its highest degree of concentration and purity in the chamber works of his later creative period."
(RAJTEROVÁ, Alžbeta: Ľudovít Rajter. In: A Hundred Slovak Composers. Eds. Marián Jurík, Peter Zagar. Bratislava : National Music Centre Slovakia, 1998, p. 234.)