Chris Curry
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Christopher Curry was the co-founder of Acorn Computers, with Hermann Hauser and Andy Hopper.
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[edit] Sinclair Radionics
In April 1966 Curry joined Sinclair Radionics, a company founded by Clive Sinclair on 25 July 1961. Curry was to play an important role in getting Sinclair interested in both calculators and computers. Curry was to work for Sinclair for 13 years.
Curry was at first involved with Sinclair's hi-fi products, which included amplifiers and speakers, and he also worked on Sinclair's electric vehicle, a project that would turn into the C5 some years later.
In 1972 Sinclair Radionics launched its first electronic calculator, the Executive, which was considerably smaller than its competitors since it had been possible to use hearing-aid-sized batteries. Curry and Jim Westwood had discovered that it was possible to exploit persistence in the diode displays and memory and introduced a timer that removed the power from these components for most of the time. This made the battery life of the Sinclair product much longer than that of competing products.
Up to 1976 Sinclair Radionics had enjoyed 15 years of strong turnover and profit growth. However, the company sustained losses due to difficulties with chip supplies for the Black Watch. As a result there were insufficient internal funds available for the final stages of the pocket TV project Sinclair had been working on for some 10 years and external funds were sought. In August 1976 the National Enterprise Board (NEB) provided £650,000 in return for 43 per cent stake in Sinclair Radionics. Sinclair did not take very well to sharing control of his company. In 1973 Sinclair had bought an off-the-shelf company called Ablesdeal Ltd as a precaution in case anything should happen that made Sinclair Radionics inconvenient. This was now proving to be the case, and, during 75, Ablesdeal was renamed to Westminster Mail Order Ltd, which was itself renamed to Sinclair Instrument Ltd.
[edit] Science of Cambridge
Shortly after the NEB took control Sinclair encouraged Curry to leave Sinclair Radionics to get Sinclair Instruments off the ground. Curry borrowed some money and rented offices at 6 King's Parade, Cambridge. In an attempt to raise some cash, the Wrist Calculator was designed by John Pemberton and launched by Sinclair Instrument in February 1977. This did surprisingly well and some 15,000 examples were sold. In July 1977 the company was renamed to Science of Cambridge Ltd. Around the same time Ian Williamson showed Curry a prototype computer based around a National Semiconductor SC/MP and some parts scavenged from a Sinclair Cambridge calculator. Curry was impressed and encouraged Sinclair to adopt this as a product; an agreement was reached with Williamson but no contract was ever signed - Nat Semi had offered to redesign the project so that it used only their components and they also offered to manufacture the boards.
Curry took Nat Semi up on its offer and in June 1978 Science of Cambridge launched a microcomputer kit (marketed as the MK14) based around the National SC/MP chip. Curry wanted to further develop the MK14 but Sinclair was working on the NewBrain. Sinclair's reluctance to develop the MK14 led Curry to consider his options. Throughout the MK14 project he had been discussing it with his friend, physics researcher Hermann Hauser, who had also helped by seeking out advice from the many computer experts on hand in Cambridge University.
[edit] Cambridge Processor Unit Ltd
Curry and Hauser had become increasingly interested in the idea of selling their own computers and so, on 5 December 1978, they set up Cambridge Processor Unit Ltd (CPU). From the mathematics (Curry started working for Sinclair in 1966 and worked for him for 13 years) it is clear that Curry was still working for Sinclair at this time, and indeed CPU was "borrowing" a room at Science of Cambridge to provide computer consultancy services in order to raise money to finance the development of their own hardware. Their first customer was Ace Coin Equipment Ltd, who needed controllers for their fruit machines.
[edit] Acorn Computer
The Acorn Microcomputer (later to be called the System 1) was launched as the first product of a new company, Acorn Computers Ltd, founded in March 1979. Curry said that they "chose the word Acorn because it was going to be an expanding and growth-oriented system." It is also said that they wanted a name that would appear before "Apple" in a directory...
After becoming a millionaire as a result of Acorn's success with the BBC Micro project, in 1983 Curry co-founded Redwood Publishing with Michael Potter (former publisher of advertising trade weekly Campaign) and Christopher Ward (former editor of Daily Express newspaper). The company bought the Acorn User title.
[edit] GIS
At the time of the Olivetti takeover of Acorn in 1985 Curry founded General Information Systems Ltd (GIS)[1], based on Acorn's Communications Group, and he remains a director.
GIS specialises in Smart Card technologies for access control and electronic money.
