Bearded ornithologists (1)

Rudolf Zimmermann (1878-1943) founder of the Vereins Sächsischer Ornithologen (VSO), and eccentric self-taught ornithologist, early mentor ofErnst Mayr.

Occupied a one-room apartment in Dresden full of books and periodicals. Cooked on an alcohol burner. Was always dressed for the outdoors. Smoked cigars constantly, died of throat cancer.