1948:          born in Perleberg, East Germany

1966-71:     Study of Physics, Humboldt University Berlin

1971-74:     PhD student, Humboldt University and Institut für Hochenergiephysik (IfH), Zeuthen          

1974:          Dissertation on hadronic interaction in bubble chambers

1974-78:     Postdoc at JINR Dubna , USSR , particle detector construction and study of hadron-nucleus interactions in a streamer chamber in Serpukhov/USSR

since 1979: Scientific staff member IfH, since 1992 DESY

1979-82:     study of hadron-nucleus interactions

1982-88:     work on construction, commissioning and data analysis of a  neutrino calorimeter in Serpukhov, USSR

1986-89:     search for axions with spark chamber data taken at PSI

1986-88:     search for solar periodicities in myocenic tree rings

1988-now:   astroparticle physics

since 1988: Lake Baikal neutrino telescope

since 1995: AMANDA neutrino telescope

since 1999: Tunka air shower array

since 2000: IceCube neutrino telescope

1988-2005 and 2007-now:  Speaker of the Zeuthen astroparticle group

1990-2000: Deputy Head for Research in IfH Zeuthen, later DESY/Zeuthen

2003-now:  Deputy Speaker of the Helmholtz programme “Astroparticle  Physics”

1997-2005: AMANDA European Co-Spokesman

2005-2007: IceCube Spokesman

2007-now:  Ex-officio member of the IceCube Executive Committee

Awards:

2001:          DESY Communication Price