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101 Watson, George Lennox
SUBJECT AREA: Ports and shipping[br]b. 1851 Glasgow, Scotlandd. 12 November 1904 Glasgow, Scotland[br]Scottish designer of some of the world's largest sailing and powered yachts, principal technical adviser to the Royal National Lifeboat Institution.[br]Almost all of Watson's life was spent in or around the City of Glasgow; his formal education was at the city's High School and at the age of 16 he entered the yard and drawing offices of Robert Napier's Govan Shipyard. Three years later he crossed the River Clyde and started work in the design office of the Pointhouse Shipyard of A. \& J.Inglis, and there received the necessary grounding of a naval architect. Dr John Inglis, the Principal of the firm, encouraged Watson, ensured that he was involved in advanced design work and allowed him to build a yacht in a corner of the shipyard in his spare time.At the early age of 22 Watson set up as a naval architect with his own company, which is still in existence 120 years later. In 1875, assisted by two carpenters, Watson built the 5-ton yacht Vril to his own design. This vessel was the first with an integral heavy lead keel and its success ensured that design contracts flowed to him for new yachts for the Clyde and elsewhere. His enthusiasm and increasing skill were recognized and soon he was working on the ultimate: the America's Cup challengers Thistle, Valkyrie II, Valkyrie III and Shamrock II. The greatest accolade was the contract for the design of the J Class yacht Britannia, built by D. \& W.Henderson of Glasgow in 1893 for the Prince of Wales.The company of G.L.Watson became the world's leading designer of steam yachts, and it was usual for it to offer a full design service as well as supervise construction in any part of the world. Watson took a deep interest in the work of the Royal National Lifeboat Institution and was its technical consultant for many years. One of his designs, the Watson Lifeboat, was a stalwart in its fleet for many years. In public life he lectured, took an active part in the debates on yacht racing and was recognized as Britain's leading designer.[br]Bibliography1881, Progress in Yachting and Yacht-Building, Glasgow Naval and Marine Engineering Catalogue, London and Glasgow: Collins.1894, The Evolution of the Modern Racing Yacht, Badminton Library of Sports and Pastimes, Vol. 1, London: Longmans Green, pp. 54–109.Further ReadingJohn Irving, 1937, The King's Britannia. The Story of a Great Ship, London: Seeley Service.FMW -
102 Watson-Watt, Sir Robert Alexander
[br]b. 13 April 1892 Brechin, Angus, Scotlandd. 6 December 1973 Inverness, Scotland[br]Scottish engineer and scientific adviser known for his work on radar.[br]Following education at Brechin High School, Watson-Watt entered University College, Dundee (then a part of the University of St Andrews), obtaining a BSc in engineering in 1912. From 1912 until 1921 he was Assistant to the Professor of Natural Philosophy at St Andrews, but during the First World War he also held various posts in the Meteorological Office. During. this time, in 1916 he proposed the use of cathode ray oscillographs for radio-direction-finding displays. He joined the newly formed Radio Research Station at Slough when it was opened in 1924, and 3 years later, when it amalgamated with the Radio Section of the National Physical Laboratory, he became Superintendent at Slough. At this time he proposed the name "ionosphere" for the ionized layer in the upper atmosphere. With E.V. Appleton and J.F.Herd he developed the "squegger" hard-valve transformer-coupled timebase and with the latter devised a direction-finding radio-goniometer.In 1933 he was asked to investigate possible aircraft counter-measures. He soon showed that it was impossible to make the wished-for radio "death-ray", but had the idea of using the detection of reflected radio-waves as a means of monitoring the approach of enemy aircraft. With six assistants he developed this idea and constructed an experimental system of radar (RAdio Detection And Ranging) in which arrays of aerials were used to detect the reflected signals and deduce the bearing and height. To realize a practical system, in September 1936 he was appointed Director of the Bawdsey Research Station near Felixstowe and carried out operational studies of radar. The result was that within two years the East Coast of the British Isles was equipped with a network of radar transmitters and receivers working in the 7–14 metre band—the so-called "chain-home" system—which did so much to assist the efficient deployment of RAF Fighter Command against German bombing raids on Britain in the early years of the Second World War.In 1938 he moved to the Air Ministry as Director of Communications Development, becoming Scientific Adviser to the Air Ministry and Ministry of Aircraft Production in 1940, then Deputy Chairman of the War Cabinet Radio Board in 1943. After the war he set up Sir Robert Watson-Watt \& Partners, an industrial consultant firm. He then spent some years in relative retirement in Canada, but returned to Scotland before his death.[br]Principal Honours and DistinctionsKnighted 1942. CBE 1941. FRS 1941. US Medal of Merit 1946. Royal Society Hughes Medal 1948. Franklin Institute Elliot Cresson Medal 1957. LLD St Andrews 1943. At various times: President, Royal Meteorological Society, Institute of Navigation and Institute of Professional Civil Servants; Vice-President, American Institute of Radio Engineers.Bibliography1923, with E.V.Appleton \& J.F.Herd, British patent no. 235,254 (for the "squegger"). 1926, with J.F.Herd, "An instantaneous direction reading radio goniometer", Journal ofthe Institution of Electrical Engineers 64:611.1933, The Cathode Ray Oscillograph in Radio Research.1935, Through the Weather Hours (autobiography).1936, "Polarisation errors in direction finders", Wireless Engineer 13:3. 1958, Three Steps to Victory.1959, The Pulse of Radar.1961, Man's Means to his End.Further ReadingS.S.Swords, 1986, Technical History of the Beginnings of Radar, Stevenage: Peter Peregrinus.KFBiographical history of technology > Watson-Watt, Sir Robert Alexander
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103 Wilkes, Maurice Vincent
SUBJECT AREA: Electronics and information technology[br]b. 26 June 1913 Stourbridge, Worcestershire, England[br]English physicist who was jointly responsible for the construction of the EDS AC computer.[br]Educated at King Edward VI Grammar School, Stourbridge, where he began to make radio sets and read Wireless World, Wilkes went to St John's College, Cambridge, in 1931, graduating as a Wrangler in the Mathematical Tripos in 1934. He then carried out research at the Cavendish Laboratory, becoming a demonstrator in 1937. During the Second World War he worked on radar, differential analysers and operational research at the Bawdsey Research Station and other air-defence establishments. In 1945 he returned to Cambridge as a lecturer and as Acting Director of the Mathematical (later Computer) Laboratory, serving as Director from 1946 to 1970.During the late 1940s, following visits to the USA for computer courses and to see the ENIAC computer, with the collaboration of colleagues he constructed the Cambridge University digital computer EDSAC (for Electronic Delay Storage Automatic Computer), using ultrasonic delay lines for data storage. In the mid-1950s a second machine, EDSAC2, was constructed using a magnetic-core memory. In 1965 he became Professor of Computer Technology. After retirement he worked for the Digital Electronic Corporation (DEC) from 1981 to 1986, serving also as Adjunct Professor of Computer Science and Electrical Engineering at the Massachusetts Institute of Technology from 1981 to 1985. In 1990 he became a research strategy consultant to the Olivetti Research Directorate.[br]Principal Honours and DistinctionsFRS 1956. First President, British Computer Society 1957–60. Honorary DSc Munich 1978, Bath 1987. Honorary DTech Linkoping 1975. FEng 1976. Institution of Electrical Engineers Faraday Medal 1981.Bibliography1948, "The design of a practical high-speed computing machine", Proceedings of the Royal Society A195:274 (describes EDSAC).1949, Oscillation of the Earth's Atmosphere.1951, Preparation of Programs for an Electronic Digital Computer, New York: Addison-Wesley.1956, Automatic Digital Computers, London: Methuen. 1966, A Short Introduction to Numerical Analysis.1968, Time-Sharing Computer Systems: McDonald \& Jane's.1979, The Cambridge CAP Computer and its Operating System: H.Holland.1985, Memoirs of a Computer Pioneer, Cambridge, Mass.: MIT Press (autobiography).Further ReadingB.Randell (ed.), 1973, The Origins of Digital Computers, Berlin: Springer-Verlag.KFBiographical history of technology > Wilkes, Maurice Vincent
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