He was a jury member at the first Arthur Rubinstein International Piano Master Competition in Tel Aviv in 1974 (won by Emanuel Ax), together with Arthur Rubinstein himself, Arturo Benedetti Michelangeli, Eugene Istomin and others.
Han var jurymedlem ved den første Arthur Rubinstein International Piano Competition i Tel Aviv i 1974 (vundet af Emanuel Ax), sammen med Arthur Rubinstein selv, Arturo Benedetti Michelangeli, Eugene Istomin og andre.