Jianzhong Wu, PhD, is a professor in the Department of Chemical and Environmental Engineering at the University of California, Riverside. He also serves as collaborating faculty in the Departments of Bioengineering, Materials Science and Engineering, and Mathematics. Dr. Wu is an elected fellow of the American Physical Society and the American Institute for Medical and Biological Engineering. John M. Prausnitz, PhD, is a professor of chemical engineering at the University of California, Berkeley. He is a member of the National Academy of Sciences, National Academy of Engineering, and American Academy of Arts and Sciences. He is also a recipient of the National Medal of Science in recognition of his pioneering work on engineering-oriented molecular thermodynamics.