Posener sorts out admirably the relations among various architectural trends and figures (mostly in Germany) from the late 19th century to the early 20th century.
an alternative way to interpret modernism, especially and interestingly to see the transition from Muthesius to Hugo Haring. Posener gave a series lectures on prominent German architects, including Schinkel, Muthesius, Haring, Scharoun, and Mies, etc.