Professor Dr. Ing. Evangelos Tsotsas born 1959, Thessaloniki/Greece; PhD: 1985, Karlsruhe/Germany; Habilitation: 1990, Karlsruhe; till 1994: The Dow Chemical Company; since 1994: Professor of Thermal Process Engineering at Otto-von-Guericke-University Magdeburg; 1998-2002: Dean of the Faculty of Process and Systems Engineering; elected German Research Council (DFG) reviewer, member of the selection committee of the Alexander von Humboldt Foundation, the European Multiphase Systems Institute, and the International Center of Heat and Mass Transfer; Chairman of Working Parties on Drying of the EFCE and GVC; 2002: Award for innovation in drying research.

Professor Arun S. Mujumdar; PhD McGill University, Montreal; Professor of Chemical Engineering, McGill University, until July 2000; Visiting Professor at numerous universities; Honorary Professor of five universities in China; President and Principal Consultant, Exergex Corp., Canada 1989-2000; consultant for over 60 companies; authored 2 books and over 60 book chapters, edited or co-edited over 50 books and journals; published more than 300 research papers, presented over 200 conference papers; external reviewer for various research councils; founder, chair or member of organizing panels for numerous major international conferences; elected Fellow of American Society of Mechanical Engineers, Chemical Institute of Canada and Inst. Chem. Eng. (India); member of AIChE, CPPA, Sigma Xi; awarded Senior Fellowship by Japan Society for Promotion of Science (1988 and 1996), Innovation in Drying Award, IDS '86, MIT, The Procter & Gamble Award for Excellence in Drying Research (1998); named Distinguished Scientists of the 20th Century, International Man of the Year by International Biographical Institute, Cambridge (1999); listed in 1000 World Leaders of Influence by the American Biographical Institute, Raleigh, USA (2000).