Haus Arnold Zweig, Berlin, 1929-30. This house was built for the writer Arnold Zweig, most famous for his 1927 anti-war novel Der Streit um den Sergeanten Grischa and his long correspondence with Sigmund Freud. The street side shows a sober cube with a single vertical void; the garden side presents a play of grids and cubes that dissolve into pergolas and other garden structures. Most of Rosenthal’s work was destroyed in the War - or greatly diminished by refurbishment, like this house, which is almost unrecognizable today (see photo comparison).