Dr Peter Marshall is a distinguished psychologist and polymath, whose works have significantly contributed to the arts, sciences and manufactures. He has penned twenty-eight books on various subjects, including psychology, psychotherapy, accounting, finance, business and fiction in addition to hundreds of articles, essays and papers. His first novel, a surrealist work, was shortlisted for the Welsh Arts Council's Literary Prize, and chosen as Book of the Week on HTV Primetime, whereon Peter was studio guest. His publications include both academic and popular psychology and the publication of Unlocking Your Potential, originally called How To Master Your Mind, Life and Destiny was the book that kicked off the self-help genre, which has since grown to be the largest non-fiction publishing sector of all. A qualified hypnotist and psychotherapist, Dr Marshall is a former Principal of the London School of Hypnotherapy and Psychotherapy. He toured the country in the late 1990s, performing mass hypnotism on stage and his "Handbook of Hypnotherapy is used and recommended by many hypnotherapy training schools. He is also the originator of The Trance Theory of Mental Illness (See Wikipedia Curative Hypnotherapy page). He is a former Regional Chairman of Mensa and the first Research Director of The Mensa Foundation for Gifted Children. His doctoral thesis was in the subject of underachievement among Gifted Children (See Wikipedia Gifted Education page) and he was chosen to give the society's Cambridge Lecture on the subject at Queens College in 2018. Currently, he is the President of IAFHA, The International Association for High Ability. Dr Marshall was instrumental in The Portuguese Educational Reform Program, delivering a lecture on Gender Disadvantage in Education at the First National Conference on Educational Psychology, as Visiting Professor to The University of Coimbra. He is an expert in human memory, a former invigilator for Guinness Records in memory performance and was initially selected to host the Memory Pod at The Millennium Dome. Working in Memory Research at London University for many years, as part of his work, he produced the 5 x 5 System for a Memory Improvement, the only memory improvement system on the market that is scientifically validated.(See Wikipedia Memory Improvement Page). He also hosted The Great Memory Show for the two years that it ran (See Wikipedia Memory Competitions page and Methods Used to Study Memory page). An accomplished portrait artist, he also used this opportunity to sketch the portraits of the memory champions for reproduction in his book Improving Your Memory with The Unique Five x Five System. Since then, he has penned many popular books in the genre, in subj