Hans Hofmann (1880–1966) is certainly one of the most important abstract painters of the twentieth century. Born in Weissenburg, Germany, he attended Moritz Heymann’s private art school in Munich, after which he relocated to Paris, where he took classes at the Ecole de la Grande Chaumière and met artists such as Pablo Picasso, Georges Braque, Juan Gris, and Georges Rouault. He was a friend of Robert Delaunay’s, whose color compositions impressed him as much as the work of the Cubists. Hofmann established himself in the United States in 1932, where he ultimately exercised crucial influence over an entire generation of postwar American artists through his art schools in New York and Provincetown. He is regarded as a catalyst of Abstract Expressionism, and influenced painters such as Jackson Pollock, Willem de Kooning, Philip Guston, Robert Motherwell, and Barnett Newman. This publication presents the life and work of Hans Hofmann and sheds light on his theories of art.