Sinclair C5 the event they did not, the project could not continue, due to thermal problems. Neither the C10 nor the C15 ever left the drawing board. Although Sinclair went on to produce more (but much smaller) electric vehicles, the C5 debacle did lasting damage to the reputation of subsequent EVs in the UK, which the media routinely compared to the C5. It was not until a highly regarded manufacturer, Toyota, launched a serious and well-received vehicle in the 1990s, the Prius, that the C5 "jinx" was finally laid to rest. In 2017 Sir Clive's nephew Grant Sinclair presented what he called
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