Lithuanian-French pianist and music pedagogue who became a specialist over the piano music of Maurice Ravel. He graduated in the Paris Conservatoire when he was just 15 yrs . old. He documented every sonata by Mozart, in addition to numerous parts by Beethoven and Chopin. He was among four sons blessed in Lithuania to some Jewish category of Polish origins. He examined with composer Moritz Moszkowski on the Paris Conservatoire.