This paper describes and discusses a new postgraduate course based onthe dialogue-seminar method. The course and the method have been developedwithin the research area of Skill and Technology, based at the Royal Institute ofTechnology in Stockholm. The main features of the course were dialogue andreflection on practice of research inspired by reading of the source texts from thehistory of science and philosophy written by: Descartes, Leibniz, Diderot, D’Alembert,Gadamer, Galileo and Darwin. The concept of liberal education was ofimportance in the design of the course. Doctoral students were all adults interestedin applying of research in order to improve practices at their own work places.