SECRET KNOWLEDGE. REDISCOVERING THE LOST TECHNIQ

Hockney became gripped by a desire to find out how the artists of the past had managed to depict the world around them so accurately and vividly. As a painter faced with similar technical problems, he asked himself: ‘How did they do this’ For the next two years, he sacrificed his own time as an artist to follow this mystery trail, obsessively tracking down the hidden secrets of the Old Masters. As news of his controversial investigations spread, he enlisted the support of scientists and art historians worldwide.