Complex sentence: Yustin Djanelidze (born 27 October 1883, died 14 January 1950), is one of the pioneers of cardiac surgery in the 20th century.
Split into simpler sentences: Yustin Djanelidze (born 27 October 1883, died 14 January 1950). Yustin Y. Djanelidze is one of the pioneers of cardiac surgery in the 20th century.