 Guybon Chesney Castell Damant

Captain Guybon Chesney Castell Damant (25 July 1881 – 29 June 1963) was a British royal navy officer known for his scientific research on preventing decompression illness with John Scott Haldane, his leadership over a team of divers that salvaged forty-four tons of gold bullion from the wreck of HMS "Laurentic" between 1917 and 1924, and the covert work he and his divers performed by entering into sunken U-boats during World War I and recovering code books, ciphers, and other materials for the Naval Intelligence Division of the Royal Navy.Damant was born on the Isle of Wight to Henry Castell Damant and Mary née Wilson.