Vitruvius
Vitruvius (probably Marcus Vitruvius Pollio) was an Ancient Roman architect and engineer who lived in the 1st century BC. Neither his name, Marcus, nor his cognomen Pollio are certain. His main work is called De architectura (About architecture). There are ten books in it. He was probably born between 80 and 70 BC in Campania, and died after 15 BC.
Vitruvius Media
Vitruvian Man by Leonardo da Vinci, an illustration of the human body inscribed in the circle and the square derived from a passage about geometry and human proportions in Vitruvius' writings
Battle of Thapsus as depicted in an engraving after Andrea Palladio
Drainage wheel from Rio Tinto mines