Tilman SauerbruchBonn, Germany A photograph of a drawing by Max Beckmann (1884-1950) of the surgeon Ferdinand Sauerbruch (1875-1951) has been hanging in my room since my student days (Fig. 1). At the top right there is a note: “To Prof. Sauerbruch in memory of the May 1915 M. Beckmann.” Beckmann was thirty-one years old at…