Ivan T. Sanderson

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Ivan Terence Sanderson
Born	(1911-01-30)January 30, 1911 Edinburgh, Scotland
Died	February 19, 1973(1973-02-19) (aged 62) New Jersey, United States
Education	MA Botany, MA Ethnology Cambridge University
Occupation(s)	Biologist Paranormal Writer
Organization	Society for the Investigation of the Unexplained

Ivan Terence Sanderson (January 30, 1911 – February 19, 1973) was a British biologist and writer born in Edinburgh, Scotland, who became a naturalized citizen of the United States. Sanderson wrote on nature and travel, and was a frequent guest on television talk shows and variety shows of the 1950s and '60s, displaying and discussing exotic animals.

Along with Belgian-French biologist Bernard Heuvelmans, Sanderson was a founding figure of cryptozoology, or the study of unknown animals, a field critics describe as a pseudoscience and subculture. Sanderson authored material on various paranormal subjects, and also wrote fiction under the pen name Terence Roberts.