Ulrich Krupp is Senior Engineer at the Institute of Materials Technology of Siegen University, Germany, and responsible for the research files fatigue and high-temperature corrosion of metals and alloys. He completed his Ph.D. in mechanical engineering there, and also obtained his lecturing qualification (habilitation) in 2004. He spent one year at the Department of Materials Science and Engineering at the University of Pennsylvania, Philadelphia, USA, in 2002 as a Feodor Lynen fellow of the Alexander von Humboldt foundation. Hitherto, he has published over 110 scientific contributions in peer-reviewed scientific journals and conference proceedings. In 2005 his work was awarded by the Masing award of Deutsche Gesellschaft fur Materialkunde.