b. Altlengbach (Lower Austria), Sept. 14, 1949, biologist and politician (Austrian Social Democratic Party, SPOe), mayor of Vienna (since Nov. 7, 1994). Studied biology and zoology in Vienna and worked at the Museum of Natural History. 1975-1977 federal chairman of the Austrian Association of Socialist Students, 1978-1984 official of the Young Generation of the SPOe. 1983-1988 member of the Landtag of Vienna and of the local council, 1988-1994 city councillor for environment and sport. Since 1993 head of SPOe Vienna.