• 1951 – 1956

    studied composition at the Conservatory in Bratislava

  • 1956 – 1960

    studied composition at the Academy of Performing Arts in Bratislava

  • 1961 – 1965

    worked in the Czechoslovak Radio as music editor

  • 1965 – 1966

    participation in Internationale Kurse für Neue Musik in Darmstadt

  • 1965 – 1977

    founder and head of the Electroacoustic Studio of the Slovak Radio in Bratislava

  • 1967 – 1968

    member of the Board of the Union of Slovak Composers; following the 1968 events, he was evicted from the Union and subsequently persecuted – performance of his works and his publishing activities were banned

  • 1977

    left Czechoslovakia and settled in Austria, where he lives presently

  • 1977 – 2002

    he worked as an editor in Universal Edition in Vienna

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