like other patrons of exploration, has had his name given to many geographical places. Among these: Beaufort Sea (arm of Arctic Ocean) Beaufort Island, Antarctic Cryptographic legacy Beaufort created the Beaufort cipher. It is a substitution cipher similar to the Vigenère cipher. References Further reading Alfred Friendly. Beaufort of the Admiralty. Random House, New York, 1973. Nicholas Courtney. "Gale Force 10, the life and legacy of Admiral Beaufort". London: Review. 2002. External links 19th-century Irish scientists 1774 births 1857 deaths British expatriates in the Ottoman Empire Francis Fellows of the Royal Geographical Society Fellows of the Royal Society Hydrographers of the Royal Navy Irish explorers Irish hydrographers Irish knights Irish people of French descent Irish scientists Knights Commander of the Order of the Bath People from Navan Royal Navy rear admirals Members of the Royal Irish Academy Committee members of the Society for the Diffusion of Useful Knowledge Travelers in Asia Minor