Marcus Vitruvius Pollio, a Roman architect and engineer flourishing in the first century B.C., was the author of the oldest and most influential work on architecture in existence. For hundreds of years, the specific instructions he gave in his "Ten Books on Architecture" were followed faithfully, and major buildings in all parts of the world reveal the widespread influence of his precepts. According to the Encyclopedia Britannica, he was "the chief authority studied by archit