st in R ol fe s / A lf re d- W eg en er -I ns ti tu t Bernhard Diekmann has been head of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research’s (AWI’s) research centre in Potsdam [...] (1982-1989) and completing his doctorate at the University of Cologne (1993), he first moved to the Alfred Wegener Institute in Bremerhaven (1994-2001), and then the University of Bremen (2001), where he completed