John A. Ripmeester is Principal Research Officer (retired), Steacie Institute for Molecular Sciences, National Research Council of Canada (NRC), Ottawa, Canada. He has more than fifty years of research experience in clathrates and inclusion compounds, porous materials, supramolecular materials, materials characterization, and solid-state nuclear magnetic resonance. He is a Fellow of the Royal Society of Canada and the author or co-author of more than 750 journal and conference papers. Saman Alavi is an Adjunct Professor at the Department of Chemistry and Biomolecular Sciences, University of Ottawa, in Ottawa, Canada. He is the author of more than 150 journal and conference papers. Dr. Alavi’s current research activities center on simulations of clathrate hydrate materials.