Secret Knowledge (New and Expanded Edition): Rediscovering the Lost Techniques of the Old Masters

Join one of the most influential artists of our time as he investigates the painting techniques of the Old Masters. Hockney’s extensive research led him to conclude that artists such as Caravaggio, Velázquez, da Vinci, and other hyperrealists actually used optics and lenses to create their masterpieces.

In this passionate yet pithy book, Hockney takes readers on a journey of discovery as he builds a case that mirrors and lenses were used by the great masters to create their highly detai…