Complex sentence: Huberman was born in Częstochowa, Poland, a pupil of Mieczyslaw Michalowicz at the Warsaw Conservatory, and of Isidor Lotto in Paris.
Split into simpler sentences: Huberman was born in Częstochowa, Poland. In his youth he was a pupil of Mieczyslaw Michalowicz at the Warsaw Conservatory, and of Isidor Lotto in Paris.