Complex sentence: Sir Alexander Korda (September 16 1893-January 23 1956) was a Hungarian/British film director and producer and a leading figure in the British film industry and the founder of London Films.
Split into simpler sentences: Sir Alexander Korda (September 16 1893-January 23 1956) was a Hungarian/British film director and producer. He was a leading figure in the British film industry and the founder of London Films.