Sinclair C5 computers like the hugely successful ZX81 and ZX Spectrum, an affordable electric vehicle could unleash pent-up demand for a market that did not previously exist. However, Sinclair performed no market research to ascertain whether there was actually a market for his electric vehicle; as the director of the Primary Contact advertising agency commented in January 1985, the project continued all the way to the prototype stage "purely on the convictions of Sir Clive". With Sinclair's new specifications in hand, Ogle worked on a three-wheeled design dubbed the C5, which bore similarities with the earlier three-wheeled Bond Bug – another Ogle
Mary Craig Sinclair girlhood; and I had stolen them from her for a novel to be called "Sylvia"." Kimbrough married Upton Sinclair on April 12, 1913. At the time her friends said she did not share her new husband's "liberal ideas on matrimony." He had once said that marriage is "nothing but legalized slavery...for the average married woman." Her husband, Upton Sinclair, credited her with helping him to "write and publish three million books and pamphlets, flowing into every country in the world." In his autobiography, he portrayed Mary Sinclair as someone "who may not always have believed in what her husband was