R. Kenneth Marcus is University Professor of Chemistry of Clemson University, with primary research interests in instrumentation development including the liquid sampling-atmospheric pressure glow discharge (LS-APGD) microplasma. He serves on the editorial advisory boards of SAB, JAAS, and ABC. Marcus is also a fellow of the Royal Society of Chemistry, the American Association for the Advancement of Science, the Society for Applied Spectroscopy, and the National Academy of Inventors.