Boris A. Grigoriev, PhD, ScD, graduated from the Grozny State Oil Technical University and is a member of the Russian Academy of Sciences.Dr. Grigoriev is currently a professor at the department of the study of oil and gas reservoir systems at Gubkin Russian State University of Oil and Gas. He has authored more than 400 scientific works, including a very popular textbook on heat and mass transfer and 6 books on thermophysical properties of hydrocarbons, oils, petroleum products, aqueous solutions, ordinary and heavy water, sulfur hexafluoride, and other energy carriers. He is a distinguished member of various national and international societies and associations such as Bureau of the National Committee on the Thermophysical Properties of Substances, International Association for the Properties of Water and Steam (IAPWS), National Committee on Data for Science and Technology (CODATA).