Complex sentence: Harry St. John Bridger Philby called Jack Philby also Sheikh Abdullah (1885-1960), Arabist, explorer, British colonial office, intelligence operative, born at St. John's, Badulla, Ceylon 3 April 1885, educated at Trinity College, Cambridge.
Split into simpler sentences: Harry St. John Bridger Philby (known as Jack Philby, also Sheikh Abdullah) (1885--1960), was an Arabist, explorer, and British colonial office intelligence operative. He was born at St. John's, Badulla, Ceylon on 3 April 1885, and educated at Trinity College, Cambridge.