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About the Author N adim A. Shaath, PhD, President Alpha Research & Development Ltd. Dr. Nadim Shaath received his PhD in organic chemistry from the University of Minnesota. He then joined the faculty at the State University of New York at Purchase and served as the chairman of the Chemistry Department at SUNY-Purchase. He was the president and CEO of KATO Worldwide, a fl avor, fragrance, sunscreen, and essential oil company, and is currently the president of ALPHA Research and Development, Ltd., a research, sourcing, and product development com- pany in the fi elds of essential oils, aromatherapy, and sunscreens. Dr. Shaath is a frequent speaker/moderator at many scientifi c meetings and is the author of numerous articles in chemical, pharmaceutical, cosmetic, essential oils, and sunscreen journals and publications. He writes a bimonthly column in HAPPI magazine entitled The Sunscreen Filter. He is one of the founding members of the PASS (Public Access to Safe Sunscreens) Coalition in Washington DC that successfully lobbied Congress to issue the Sunscreen Innovation Act (SIA) signed by President Obama in 2014. He is the author of four books on sunscreens and ultraviolet fi lters including the widely distributed book entitled Sunscreens published by Taylor & Francis (2005). He has recently published his new coffee-table book entitled Healing Civilizations: The Search for Therapeutic Essential Oils and Nutrients (2017), Cameron Books, Petaluma, CA. May 2020