Dr. Derek Fray, Professor and Director of Research at the University of Cambridge, UK is responsible for inventing a method for reacting Verde's potassium rock with a simple mixture of salts to form water-soluble potash, KCl. Dr. Fray is Fellow of the Royal Society, Fellow of the Royal Academy of Engineering, Fellow of the Royal Society of Chemistry and Fellow of the Institute of Materials, Minerals & Mining. He holds a PhD from University of London and a M.A. from University of Cambridge.
Professor Fray is a well known figure for his deeply impact in materials extraction and processing world, especially for developing sustainable new technologies.
Throughout his career his activity has impacted various fields such as non-ferrous, ferrous and nano-scale materials processing; many processing routes including pyrometallurgy, hydrometallurgy, chemical vapor synthesis and processing, recycling; and several investigation techniques such as experimental measurements and physical modeling and simulation.