Unformatted text preview: proportion. People didn't know more math than we do, but they knew it absolutely; it was a relatively larger part of their intellectual equipment. 2. The math skills used by merchants were the same as those used by the painter. 3. The status of these skills in his society was an encouragement to the painter to assert them in his pictures. 4. Because merchants were practiced in manipulating ratios, they were sensitive to pictures carrying the marks of similar processes. It was a small step from the proportions of a currency exchange to the proportion of a physical body, such as the cup and the fish in the slide, to the proportions of a man's head, as done by Leonardo in this sketch from his notebooks, or by Piero in his Flagellation ....
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- Fall '10
- Leonardo Da Vinci, Christopher Nolan, Thing, Human height, The Painter, bracci