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Elliott Automation Group was the holding company for a collection of companies involved in process control and automation including a company active in the development of computers in the 1950s–60s in the United Kingdom. It originated as a firm of instrument makers Elliott Bros founded in London around 1800. Elliott Brothers' research laboratories, at Borehamwood, were set up in 1946. The first Elliott 152 computer appeared in 1950.
The well-known computer scientist, Sir Tony Hoare was an employee from August 1960 for 8 years during which time he wrote an ALGOL 60 compiler for the Elliott 803. He also worked on an operating system Elliott 503 Mark II for the computer, although this was less successful and abandoned along with "over thirty man-years of programming effort."
John Lansdown pioneered the use of computers as an aid to planning; making perspective drawings on an Elliott 803 computer in 1963, modeling a building's lifts and services, plotting the annual fall of daylight across its site, as well as authoring his own computer aided design applications.