Complex sentence: Erdélyi was a Jew, so it was difficult for him to receive a university education in his native Hungary and therefore he travelled to Brno, Czechoslovakia, to obtain a degree in electrical engineering.
Split into simpler sentences: Erdélyi was a Jew, so it was difficult for him to receive a university education in his native Hungary. He travelled to Brno, Czechoslovakia, to obtain a degree in electrical engineering.