BIRTHDAY CEREMONIES

64th birthday of my master professor KLAUS KEHR: "One-day Symposium on Random Walks and Applications" - Juelich, June 1999

• The photo presents the team significant for random walks branch of knowledge. Professor Klaus Kehr (highest man in the centre) and his wife Erika, on left professor Panos Argyrakis his long-term collaborator, on right professor Ryszard Kutner his long-term coworker. From left: prof.H.Wagner, prof.K.Kitahara and his wife, prof.T.Odagaki, student, prof.W.Selke, prof.R.Hempelmann, prof.J.Krug, prof.R.Lipowsky, prof.D.Stauffer, prof.J.Villain, prof.H.Mueller-Krumbhaar, student, prof.G.Eilenberger, prof.A.Blumen, prof.H.van Beijeren, prof.K.Binder, prof.W.Dieterich, prof.J.Jaeckle

60th birthday of our master professor WOLFGANG DIETERICH: "International Discussion Meeting on Stochastic Dynamics in Complex Systems" - Konstanz, April 2002

• Professor Wolfgang Dieterich (standing first to the right) and I (nearest neighbor) together with his PhD students