Peter Hagedorn was born in 1941 in Berlin, Germany. He graduated in mechanical engineering and earned a doctoral degree at EPUSP (Brazil). He completed his ‘habilitation’ at TU Karlsruhe, Germany. From 1973 to 1974 he was a visiting Research Fellow at the AA Department of Stanford University. In October 1974 he became full professor of mechanics at TU Darmstadt, Germany. Among other universities he served as visiting professor in Rio de Janeiro (Brazil), Berkeley, Paris, Irbid (Jordan) and Christchurch (New Zealand), where he also held an Adjunct Professorship at UCC. He served as Head of Department and Vice-President to TU Darmstadt and he is active in a number of professional and editorial committees. He is an author of over 200 papers and several books on dynamics, vibrations and analytical mechanics. He presently heads the Dynamics and Vibrations Group within the Institute of Numerical Methods in Mechanical Engineering at TU Darmstadt.