Norihiro Matubayasi, Ph.D., is a professor of chemistry in the Faculty of Fisheries, Nagasaki University, Japan. His current research activities are in surface science, with emphasis on thermodynamic properties of surface active molecules at the fluid/fluid interface. His recent research involves the adsorption and desorption of ions of simple salt solutions. He received Ph.D. and M.S. degrees in chemistry from Kyushu University, and a B.S. from Saga University, Japan.