Albrecht Durer- It was in Bologna that Dürer was taught (possibly by the mathematician Luca Pacioli) the principles of linear perspective. Here we have an illustration from a work published in 1535 based on or possibly a reprint of Unterweysung des Messung .
Dürer’s illustration shows apparatus for drawing a classic set-piece, a foreshortened lute. A pointer is attached to a thread running through a pulley on the wall. The thread represents a ray of light passing through the picture plane to the theoretical eye-point denoted by the pulley. As one man fixes key points on the lute, his assistant records the vertical and horizontal co-ordinates of the thread as it passes through the frame, and plots each new point to create a drawing.
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