Lionel Martin
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Lionel Walker Birch Martin was an English businessman who co-founded the company that became Aston Martin.
He first completed Aston Hill on 4 April 1914
Calthorpe cars
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The Calthorpe Motor Company based in Bordesley Green, Birmingham, England, made a range of cars, motorcycles and bicycles from 1904 to 1932.
Pierre Garcet in his Calthorpe at the 1912 French Grand Prix in Dieppe
Calthorpe 10-15 hp (1922-1926)
Calthorpe 12-20 hp (1922-1926(1932))