In his time Isambard Kingdom Brunel was the world's greatest engineer. His list of achievements is truly breathtaking, the Thames Tunnel, the first underwater tunnel in the world, the SS Great Britain, the first propeller-driven ship, the Clifton Suspension Bridge, then the longest span of any bridge in the world and the Great Western Railway. History has been kind to his memory, many of his creations still exist and he is lauded by historians as...