Kenneth C. Schifftner has more than 40 years of experience in the area of air pollution control. He has been involved with more than 1,000 successful gas cleaning projects. He holds a bachelor of science degree in mechanical engineering from the New Jersey Institute of Technology. He has authored more than 50 technical articles on gas cleaning technology, and co-authored two books. Schifftner has been an instructor for numer¬ous courses sponsored by the Environmental Protection Agency (EPA), provided academic and corporate technical training seminars, served as an expert witness regarding air pollution control technology, and functioned as a consultant to small and large firms interested in solving air pollution problems. Schifftner has also received four U.S. and foreign patents to date on novel mass transfer devices, which are used worldwide. Schifftner is a former chairman of the Environmental Control Division of the American Society of Mechanical Engineers (ASME). He is an active member of ASME, the Semiconductor Safety Association, and Technical Association for the Pulp and Paper Industry (TAPPI).