But a growing number of leading Leonardo scholars agree the work is almost certainly by the Renaissance figurehead because it appears to have his fingerprint on it.

As Leonardo da Vinci did with the human body, and his Vitruvian Man, a great number of studious men have done the same thing with the right proportions of the vehicles.

Take Leonardo Da Vinci for example, in his life he created a large number of brilliant works of art and invited machines that surpassed the technology of his time.