Marcus Vitruvius Pollio was born 70-80 years before Christ and lived until after 15 BC. His da architectura is the earliest work describing the profession of architecture – and indeed the only work up until the 15th C. This 1684 woodcut depicts him presenting his theories to the emperor Augustus. In 1452, Leon Battista Alberti translated and published da architectura with the title as we know it today: The Ten Books of Architecture. It is from Alberti’s translation that we get the three defining aspects of quality in architecture: Firmness, Commodity and Delight (firmitas, utlitas, venustas).