Terje G. Simonsen is a Norwegian writer and historian of ideas. His graduate thesis from the University of Oslo, a cultural analysis of the influential anthroposophical journal JANUS was in 2001 published as a book with the title JANUS - A Journal and a Time.Simonsen has worked predominantly with esoteric traditions - hermeticism, occultism, mysticism - and has also published writings related to these topics. Among other things, he has written the essay "In the Beginning is the Relationship" as introduction to the Norwegian release of I and Thou, the main work of the Jewish philosopher Martin Buber, published in the renowned series "The Cultural Library" (2003).He has also written the essay "Enoch - The Forgotten Prophet" as an introduction to the first Norwegian translation of the ancient Jewish pseudepigraphon First Book of Enoch in the series The World's Holy Scriptures (2004).In 2013 Simonsen published the book Vaare Skjulte Evner—Telepati, Klarsyn og Fremsyn (transl. Our Secret Abilities - Telepathy, Clairvoyance and Precognition)—a historical and scientifically based presentation of various so-called paranormal phenomena, emphasizing PSI.The book received favorable reviews in several journals and other media, including The Journal of the Norwegian Medical . An upgraded and extended version of the book was in 2018 released in English under the title Our Secret Powers: Telepathy, Clairvoyance and Precognition—A Short History of (Nearly) Everything Paranormal. The book has received praise from several psychologists, parapsychologists and historians of religion and ideas, e.g. Stanley Krippner, Dean Radin, Etzel Cardeña and Jeffrey J. Kripal