JOHN N. LALENA, PhD, is a private consultant. He was formerly a senior research scientist for Honeywell Electronic Materials, and a semiconductor fabrication process/product engineer for Texas Instruments. He also has served as a visiting professor of chemistry at Gonzaga University.
DAVID A. CLEARY, PhD, is Professor of Chemistry and Chair of the Department of Chemistry at Gonzaga University. His courses have included physical chemistry and solid-state chemistry. His research interests range from nonlinear optical materials to chemical sensors and ionic conductors.