Who was the Cornish inventor who is famous for building a high pressure non-condensing steam engine for general industrial use in 1797, and in 1801 for building a steam car that carried passengers?
Who is credited with the invention of the rotary internal combustion engine, introduced by NSU in their "Ro 80" in 1967 and used by Mazda in their "RX"models, the first of which, the RX-2, was introduced in 1970?
