Jan Oderfeld Chairing the foundation act of IFToMM in Sept 1969. Jan Oderfeld was professor at Warsaw University of Technology in the period of 1955-2008 by carrying out an intense activity for teaching, research, and design in several fields of mechanical engineering, but with specific interests on theory of machines and mechanisms. He was a personality of reference in his time within national and international frames and mainly within IFToMM community.