After studying at the conservatory, he moved to Berlin, and was a pupil and assistant of Leonid Kreutzer and was part of the circle of Ferruccio Busoni, which included Rachmaninoff.
He moved to Berlin. He was a pupil and assistant of Leonid Kreutzer. He was part of the circle of Ferruccio Busoni. He was studying at the conservatory. Ferruccio Busoni included Rachmaninoff.