When the State Bauhaus opened in Weimar in 1918, the Swiss art theorist Johannes Itten (1888-1967) was one of the first teachers to be appointed by founder Walter Gropius. Itten had a considerable effect on the Bauhaus's creative training program, and his insights into the theory of colors set standards in art and design education that are still in use today. Constantly in dialogue with students and colleagues, Itten created works in which he examined...