Clive Sinclair 1985 owing to Sinclair's financial troubles.) The following year, he received a knighthood and formed Sinclair Vehicles Ltd. to develop electric vehicles, which resulted in the unsuccessful Sinclair C5 in 1985. In 1984, Sinclair launched the Sinclair QL computer, intended for professional users. Development of the ZX Spectrum continued with the enhanced ZX Spectrum 128 in 1985. In April 1986, Sinclair Research sold the Sinclair trademark and computer business to Amstrad for £5 million. Sinclair Research Ltd. was reduced to an R&D business and holding company, with shareholdings in several spin-off companies, formed to exploit technologies developed by the company.
Hugh Macdonald Sinclair Hugh Macdonald Sinclair Hugh Macdonald Sinclair, FRCP (4 February 1910 – 22 June 1990) was a doctor, medical researcher, and expert in human nutrition. He is most widely known for claiming that what he called "diseases of civilization" such as coronary heart disease, cancer, diabetes, inflammation, strokes and skin disease are worsened by "bad fats". Hugh Macdonald Sinclair was the third of the four children of Colonel Hugh Montgomerie Sinclair and Rosalie Sybil Jackson. Through his father, he was descended from the Viking monarch of Finland, Woldonius, and the St Clair cousins of William the Conqueror. His great grandfather was