Albrecht Durer (German: Albrecht Durer) is a German artist, mathematician and art critic. From an early age he became famous in Europe for his printed engravings, and today he is considered the most prominent artist of the Northern Renaissance. Among his most famous works are the series of engravings "Apocalypse", "The Knight, the Devil and Death", "St. Jerome" and "Melancholy I", which have become the subject of constant analysis and interpretation. His watercolors ranked him among the first European landscape painters, his ambitious engravings caused a revolution in this art form. D?rer, well acquainted with the art of the Italian Renaissance and humanism, became one of the first artists to introduce classical motifs into art north of the Alps. His place as a key figure in the Northern Renaissance is also confirmed by his treatises, which set out his views on mathematics, perspective and ideal proportions.