Sanderson, Ivan T.: - Ivan T. Sanderson was born in the UK and was a British Military Intelligence Officer during WWII. Friends with Ian Fleming, he moved to the USA in the 1950s, settled in New Jersey and formed the Society for the Investigation of the Unexplained (SITU). He has appeared numerous times on TV, including The Tonight Show; his numerous books include Ivan T. Sandersone (TM)s Book of Jungles; Abominable Snowmen: Legend Come to Life; Things; The Unexplained; and others.