Congratulations to Arne Muxfeldt, who has sucessfully defended his thesis entitled Automatic Error Recovery during Industrial Assembly Operations based on Human Demonstrations on Friday. The thesis proposes a system to acquire and store human demonstrations of solutions for assembly errors of various kinds in a data base and subsequently to apply these to new error situations. The thesis was evaluated by the examination commitee including Prof. R. Haux at the helm and reviewer Prof. J. Hesselbach and superviser and reviewer Prof. J. Steil.