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Maurice Vincent Wilkes

Maurice Vincent Wilkes

Male 1913 - 2010  (97 years)

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  • Name Maurice Vincent Wilkes  [1, 2
    Born 26 Jun 1913  Dudley, Staffordshire, England Find all individuals with events at this location  [1, 2
    Gender Male 
    Arrival 16 Aug 1946  New York, USA Find all individuals with events at this location  [2
    Arrival 17 Jul 1950  Halifax, Nova Scotia, Canada Find all individuals with events at this location  [1
    Departure Liverpool, Lancashire, England Find all individuals with events at this location  [1
    Departure London, England Find all individuals with events at this location  [2
    Residence England Find all individuals with events at this location  [2
    Died 29 Nov 2010 
    • Sir Maurice Wilkes obituary
      Scientist who built the first practical digital computer

      Jack Schofield guardian.co.uk,
      Tuesday 30 November 2010 18.00 GMT

      Sir Maurice Wilkes, who has died aged 97, was the most important figure in the development of practical computing in the UK. Not only did he lead the development of EDSAC, the first stored-program digital computer to go into service in the 1940s, he and his colleagues at Cambridge University also made significant contributions to software development, and built one of the first high-speed distributed computing networks, the Cambridge Ring. His vision was less about producing bleeding-edge designs than about developing machines that could reliably do calculations for the university's scientists and engineers - people like himself. In the early 1950s, EDSAC, the Electronic Delay Storage Automatic Calculator, was the basis for the world's first business computer, LEO (the Lyons Electronic Office), which was used to run the operations of the eponymous tea-shop company.

      Wilkes considered himself lucky to be in at the birth of the computer industry that grew out of the wartime development of ENIAC, the Electronic Numerical Integrator and Computer, which had calculated shell trajectories for the US army. The Americans planned to follow this with a more sophisticated machine that could run stored programs, and Wilkes was given an overnight loan of John von Neumann's seminal paper, First Draft of a Report on the EDVAC, the Electronic Discrete Variable Automatic Computer, which explained the concepts. Wilkes recognised that this approach was the future - computers became known as "Von Neumann machines".

      In 1946, he was invited to lectures on the Theory and Techniques for Design of Electronic Digital Computers at the University of Pennsylvania, the birthplace of ENIAC. Wilkes got there late, but met many of the American computer pioneers, including Harvard University's Howard Aiken and ENIAC's developers, John Mauchly and Presper Eckert. He thus become one of relatively few people who had some idea how to build a computer, in theory, and began to sketch the design of EDSAC on the Queen Mary on the way home.

      Building a stored-program computer was still a huge challenge, but Wilkes had the determination and the means to do it. After returning from his work on radar during the second world war, he had been made head of the Mathematical Laboratory, which later became the Cambridge Computer Laboratory. "I didn't have to ask anybody, 'Could I build a computer, please?'," he wrote later. "I didn't have to arrange any budget. I was in charge and I could go ahead. I was the only one who knew anything about building computers, so if I said, 'You build a computer this way', they said, 'Yes, right, that's the way.'"

      By today's standards, EDSAC was amazingly primitive. It used valves - vacuum tubes - for computation, like ENIAC and Colossus, Bletchley Park's secret code-breaking machine. Its first memory units used sound beams traversing baths of mercury, which required very precise manufacturing. But EDSAC was up and running in 1949, and performed useful calculations for many years. "We never tried with the EDSAC to exploit to the full the technology of the time, because even a slow electronic computer would be so fast. You don't want to take a bigger jump than you need," he said. The jump from mechanical to electronic computation was the biggest jump there was.

      In the days when computers were big, expensive things, they could earn their keep by taking on a small number of very large tasks. Wilkes had other ideas. He envisaged EDSAC performing relatively large numbers of smaller tasks for Cambridge researchers working in fields such as mechanics, economics, crystallography and radio astronomy. This led Wilkes and his team to develop ways to make computers easier to program and to use. In 1951, Wilkes and two colleagues published the first book on computer programming: The Preparation of Programs for an Electronic Digital Computer.

      Wilkes also came up with the idea of microprogramming as a way of controlling the computer's operations, by building complex high-level instructions from small ones - microcode. The lab's second valve-based machine, EDSAC 2, which came into operation early in 1958, was the first computer to have a microprogrammed control unit. The technique was used later in the IBM 360 mainframe, and became a fundamental part of modern computing.

      He also helped pioneer networking, having seen some early work in digital telephony at the telecommunications firm of Hasler in Berne, Switzerland. He immediately saw the potential for using the technology to connect computers instead, and started the Cambridge Ring project long before the idea of computer networking became fashionable. Some commercial Rings were installed, but the industry adopted Ethernet instead.

      Wilkes was born in Dudley, Staffordshire, to Vincent and Ellen Wilkes. He was very proud of his father, who had started working for the Earl of Dudley's estate as a 16-year-old office boy and worked his way up. He attended the King Edward VI school, in Stourbridge, and in 1931 went to St John's College, Cambridge, where he studied mathematical physics. As a graduate student in the Cavendish Laboratory, he researched the propagation of radio waves in the ionosphere, gaining his PhD in 1938. After returning to Cambridge in 1945, he became head of the Mathematical Laboratory (1946-70), head of the Computer Laboratory (1970-80), and in 1985 published Memoirs of a Computer Pioneer.

      After "retiring" from Cambridge University, he worked for DEC (Digital Equipment Corp), the US minicomputer giant, and was adjunct professor at MIT in Cambridge, Massachusetts. He enjoyed it a lot, and said he wished he had worked in industry sooner. Back in Cambridge, he worked at the Olivetti Research Laboratory before rejoining the Computer Laboratory in 2002 as an emeritus professor. David Hartley - his former student, later colleague (as director of the university's Computing Service) and longtime friend - said he continued to go in to work there until his mid-90s.

      Wilkes was the first president of the British Computer Society, a fellow of the Royal Society, and a fellow of the Royal Academy of Engineering. His numerous awards included the Faraday medal from the Institution of Electrical Engineers in London, and in 2000 he was knighted.

      In 1947, Wilkes married Nina Twyman, a classicist he had met in Cambridge. She died in 2008. He is survived by his son, Anthony, and two daughters, Margaret and Helen.

      • Maurice Vincent Wilkes, computer scientist, born 26 June 1913; died 29 November 2010
    Person ID I17235  tng Genealogy

    Father Living 
    Relationship natural 
    Mother Living 
    Relationship natural 
    Family ID F6123  Group Sheet  |  Family Chart

    Family Nina Twyman,   b. 1915, England Find all individuals with events at this location,   d. 24 Aug 2008, Cambridge, England Find all individuals with events at this location  (Age 93 years) 
    Married 1947 
    Children 
     1. Living
     2. Living
     3. Living
    Family ID F6122  Group Sheet  |  Family Chart

  • Event Map Click to hide
    Link to Google MapsBorn - 26 Jun 1913 - Dudley, Staffordshire, England Link to Google Earth
    Link to Google MapsArrival - 16 Aug 1946 - New York, USA Link to Google Earth
    Link to Google MapsArrival - 17 Jul 1950 - Halifax, Nova Scotia, Canada Link to Google Earth
    Link to Google MapsDeparture - - Liverpool, Lancashire, England Link to Google Earth
    Link to Google MapsResidence - - England Link to Google Earth
     = Link to Google Earth 

  • Photos
    Maurice Vincent Wilkes photo
    Maurice Vincent Wilkes photo

  • Sources 
    1. [S57] Border Crossings: From Canada to U.S., 1895-1956, Ancestry.com, (Name: Provo, UT, USA: The Generations Network, Inc., 2008;).
      Border Crossings: From Canada to U.S., 1895-1956 2007.

    2. [S392] New York Passenger Lists, 1820-1957, Ancestry.com, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2006;).
      Year: 1946; Microfilm Serial: T715; Microfilm Roll: T715_7158; Line: 18; Page Number: 6.
      [ View Source Document]