クレメンス・クラウス
He received his first musical training from his father Lajos Rajter Sr (1880–1945), then (from 1920) in the music school in Bratislava (with Alexander Albrecht). After completion of this school and after graduation at the Protestant Lycée A.B. In 1924 he enrolled at the Academy of Music and Performing Arts in Vienna. He was taught by the composer Franz Schmidt and Joseph Marx (composition), Clemens Krauss (conductor) and Alexander Wunderer (orchestral conductor). At that time Rajter was also assistant to Clemens Krauss (until 1933).