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Luca Pacioli


This portrait of Luca Pacioli, en.wikipedia.org/wiki/Luca_Pacioli often mistakenly attributed to Jacopo de Barbari, was apparently painted in 1495 (the slip of paper on the desk gives the date). Pacioli is teaching from Euclid, and a copy of one of his own books on mathematics is in the right foreground. This is how mathematics was taught in the Renaissance and indeed for centuries afterwards


Stephan Fey, Paolo Tanino have particularly liked this photo
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Leonardo bought a copy as soon as it was published, recording the rather high cost in his notebook, and he may have helped recruit Pacioli to become part of milan court. The mathematician arrived in about 1496 and had living quarters along with Leonardo at the Corte Vacchia. They shared a love of geometric shapes. A portrait painted of Pacioli shows him as a student in front of a table with a protractor, compass, and stylus, a polyhedron of eighteen squares and eight triangles half filled with water dangles from the ceiling.
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