## Dürer, Albrecht (1471–1528)...sane judgment abhors nothing so much as a picture perpetrated with no technical knowledge, although with plenty of care and diligence. Now the sole reason why painters of this sort are not aware of their own error is that they have not learnt Geometry, without which no one can either be or become an absolute artist...
Dürer was born in Nüremberg, one of 18 children, and showed an early talent for art. After a four-year apprenticeship in painting and woodcutting, he began traveling around Europe, especially Italy, in search of new styles and ideas. Back in Nüremberg, he began a serious study of mathematics, absorbing Elements by Euclid and De architectura by the great Roman architect Vitrivius, and studying the work of Leone Alberti
(1404–1472) and Luca Pacioli on mathematics
and art, in particular their work on proportion. His mastery of perspective
is clear in woodcuts "Life of a Virgin" (1502–1505). In about 1508
Dürer began to collect material for a major work on mathematics and
its applications to the arts. This work would never be finished but Dürer
did use parts of the material in later published work. One of his most famous
engravings "Melancholia," produced in 1514, contains the first magic
square to be seen in Europe, cleverly including the date 1514 as two
entries in the middle of the bottom row. Also of mathematical interest in
Melancholia is the polyhedron in the
picture, the faces of which appear to consist of two equilateral triangles
and six somewhat irregular pentagons. In 1825 Dürer published a four-volume
treatise, Underweysung der Messung (available in English translation
as Painter's Manual), which dealt with, among other things, the construction
of various curves, polygons, and other solid bodies. One of the first books
to teach the methods of perspective, it was highly regarded throughout the
16th century and presents the earliest known examples of polyhedral nets,
i.e., polyhedra unfolded to lie flat for printing.Dürer traveled to Italy to learn about perspective and was keen to publish the methods so they weren't kept secret among a few artists. Whom he learned from is not known, but Luca Pacioli is a likely possibility. Some of the techniques and illustrations also follow closely the work of Piero della Francesca. One of Dürer's masterpieces, the woodcut Melancholia I, features
a frustrated thinker sitting by a polyhedron that consists of a cube or
rhombohedron that has been truncated at
the upper vertex. (It is impossible to tell if the lower vertex is also
truncated, so that the solid rests on a triangular face, or if the lower
vertex symbolically penetrates the earth, though the latter possibility
is not often considered.) It is possible to proportion it so that the vertices
project onto a 4-by-4 square grid like that of the magic square. Dürer's final work, his Treatise on Proportion, was published
posthumously and laid the groundwork for descriptive geometry and its rigorous
mathematical treatment by Gaspard Monge. ## Related category• MATHEMATICIANS | |||||||||

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