The main author, Manuel E. Pardo Echarte, has more than 40 years of experience in scientific research. He graduated with a degree in Geophysical Engineering from José Antonio Echeverría Polytechnic University, Cujae, La Habana, Cuba, in 1974 and obtained a Ph.D. in Mineralogical Geology at the same university in 1987. He is currently a titular professor there. He has a wide range of publications, including monographs: “Unconventional Methods for Oil & Gas Exploration in Cuba: The Redox Complex” (Springer, 2016) and “Oil and Gas Exploration in Cuba: Geological-Structural Cartography using Potential Fields and Airborne Gamma Spectrometry” (Springer, 2017). In addition, he holds a patent for a “Method of Redox Potential Measurement in Soils and Its Combined Application with Kappametry for the Purposes of Geological Prospecting” (2000).