Clive Sinclair

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Sir Clive Marles Sinclair (born 30 July 1940) is a British entrepreneur and inventor of the slim-line electronic pocket calculator in 1972 (Sinclair Executive) and the ZX80, ZX81 and ZX Spectrum computers in the late 1970s and early 1980s, among many other things. The ZX80 was the UK's first mass-market home computer for less than £100. Sinclair has been fascinated by electronics and miniaturisation since his teenage years. In 1961 he founded Sinclair Radionics after spending several years as assistant editor of Practical Wireless and Instrument Practice to raise funds.

His most recent invention is the A-bike, a folding bicycle for commuters that weighs 5.5 kilograms (12 lb) and folds down small enough to be carried on public transport.

Sinclair has become a poker player. He appeared in the first three seasons of the Late Night Poker television series in Britain. He won the first season final of the Celebrity Poker Club spin-off, defeating Keith Allen.


Early life, family and education

Sinclair's father and grandfather were engineers; both had been apprentices at Vickers the shipbuilders. His grandfather George Sinclair was an innovative naval architect who got the paravane, a mine sweeping device, to work. George Sinclair's son Bill Sinclair wanted to take religious orders or become a journalist. His father suggested he train as an engineer first; Bill became a mechanical engineer and has been in the field ever since. At the outbreak of World War II in 1939 he was running his own machine tools business in London and later worked for the Ministry of Supply.[1]

Clive Sinclair was born to George William Carter Sinclair and Thora Edith Ella Marles in 1940 near Richmond, then in Surrey. He and his mother left London to stay with an aunt for safety in Devon, where they eventually travelled to Teignmouth. A telegram arrived shortly afterwards, bringing the news that their home in Richmond had been bombed. Clive's father, Bill Sinclair, found a house in Bracknell in Berkshire. Sinclair's brother Iain was born in 1943 and his sister Fiona in 1947.[1]

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