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A portrait of two very different mathematicians, porridge pulleys and Pi features Fields medalist Vaughan Jones, one of the world's foremost knot theorists and an avid windsurfer, and Hendrik lenstra, a number theorist with a passion for Homer and all things classical. Porridge pulleys and Pi poses the question: how do we get first-rate research mathematicians? Hendrik lenstra and Vaughan Jones have had an extraordinary impact on mathematics; this charming documentary gives the viewer a taste of their personalities, mathematical and otherwise. A whirlwind tour of knots, geonomics, cryptography, music, Homer, elliptic curves, art, and windsurfing, the video contains sections on the history of Pi, and a suprising discovery involving a cocoa tin and an Escher print.