Chi Tien (BSc., National Taiwan University, 1952; MSc., 1954; PhD., Northwestern University, 1958) is professor emeritus of chemical engineering at Syracuse University. During his teaching career, Professor Tien also taught at the University of Tulsa, University of Windsor, National University of Singapore, and Nanyang Technological University. In addition, he had visiting appointments with University of Leeds, Karlsruhe University, and University of Duisburg-Essen. For over 60 years, Professor Tien has been actively engaged in fluid/particle separation and adsorption research and has published widely. He authored and coauthored a number of books including Granular Filtration of Aerosols and Hydrosols, 1st Ed. (Butterworths), Adsorption Calculations and Modeling (Butterworths-Heinemann), Kinetics of Metal Ion Adsorption from Aqueous Solutions: Models, Algorithms, and Applications (with S. Yiacoumi, Kluwer Academic Publisher), Introduction to Cake Filtration: Analyses, Experiments, and Applications (Elsevier), Granular Filtration of Aerosols and Hydrosols, 2nd Ed. (with B. V. Ramaro, Elsevier), and Principles of Filtration (Elsevier).