Ricardo was one of three children born in Buenos Aires to Mauricio (alternate spelling: Moisés) Odnoposoff and Juana (née Veinstein; alternate spelling Weinstein). Mauricio Odnoposoff had emigrated from Russia to Argentina with his father. Ricardo first learned to play the violin in Buenos Aires. Mauricio and Juana Odnoposoff moved to Germany where their children, Ricardo, Adolfo, and Nélida, continued studying music. Ricardo studied at the Academy of Music in Berlin from 1928 and in 1931 studied violin under
Carl Flesch and composition under
Paul Hindemith. At the end of his studies, at the age of just 17, he first appeared as a soloist with the Berlin Philharmonic Orchestra under
Erich Kleiber. In 1932 he won the second prize at the prestigious Violin Competition in Vienna and in 1937 the second prize in the
Eugène Ysaÿe Competition in
Brussels.
David Oistrakh, who took first prize, reported in a letter to his wife from the Brussels competition: "... when I arrived, Odnoposoff played Tchaikovsky. He played wonderfully." Odnoposoff was already a follower of
Arnold Rosé, concertmaster of the Vienna Philharmonic Orchestra, and taught at the State Academy, where
Norbert Brainin, the future leader of the
Amadeus Quartet was one of his students. In 1933, without an audition,
Clemens Krauss, director of the Vienna State Opera, offered the 19-year-old Odnoposoff a position as concertmaster. == Exile ==