Complex sentence: Harry Price (17 January 1881--29 March 1948) was a British psychic researcher and author, who gained public prominence for his investigations into psychical phenomena and his exposing of fake spiritualists.
Split into simpler sentences: Harry Price (17 January 1881--29 March 1948) was a British psychic researcher and author. He gained a reputation for his well-publicised investigations into psychic phenomena and his exposing of fake spiritualists.