'Da Vinci's Ghost,' Manifest In The Vitruvian Man

Most people are familiar with Leonardo Da Vinci's Vitruvian Man: A nude man, with his arms and legs stretched, inside a square within a circle.

Toby Lester tells the story behind the drawing and Da Vinci's zeal to create an image of the perfectly proportioned human in Da Vinci's Ghost: Genius, Obsession, and How Leonardo Created the World in His Own Image.

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