Michael Vollmer received his Ph.D. degree for studies of clusters on surfaces, and his habilitation on optical properties of metal clusters from the University of Heidelberg, Germany. Assignments were with the University of Kassel, Germany, a one year stay as postdoc at the university of California in Berkeley, USA, as well as with various institutions in the United States and Asia during sabbaticals. His research interests include atmospheric optics, spectroscopy, infrared thermal imaging, and the didactics of physics. He has authored one science book and co-authored two scientific monographs and more than 270 scientific and didactical papers.