Jan Tschichold was an important 20th-century German graphic designer who also gave a major impetus to the Swiss school. Jan Tschichold attended the "Akademie for Grafische Künste and Buchgewerbe "in Leipzig from 1919 until 1921. In 1923 Jan Tschichold visited the Bauhaus exhibition in Weimar. Influenced by the new Bauhaus typography, Jan Tschichold began to use serifless typefaces and designed simplified layouts.
In a special 1925 issue of "typographische mitteilungen" entitled "elementare typographie", Jan Tschichold introduced in the form of theses the most important approaches to the new typography design. From 1923 Jan Tschichold freelanced as a commercial graphic artist; his clientele included Insel Verlag publishers.
From 1926 until 1933, Jan Tschichold taught typography at Paul Renners Master Classes for Book Printers in Munich. In 1933 Jan Tschichold emigrated to Switzerland, where he worked for several publishers in Basel and taught at the School for the Applied Arts. In 1946 Jan Tschichold went to London, where he was art director at Penguin Books until 1949. In 1950 he returned to Switzerland. Between 1955 and 1967 Jan Tschichold worked as a design consultant for the Basel pharmaceutical company Hoffmann-La Roche.
Books written by Jan Tschichold, "Die neue Typografie" (1928) and "Typografische Gestaltung" (1935), expound the fundamentals of modern typography.