Edward was born to Lyndon Travers. (PROSE: One Cold Step) In 1935, Travers set out on an expedition to Tibet to find the Yeti. At first suspicious of the Second Doctor, he eventually aided him in defeating the Great Intelligence. (TV: The Abominable Snowmen) Travers brought back one of the robot Yeti used by the Intelligence, but money problems eventually forced him to sell it to Julius Silverstein for his private museum — though Travers kept the Yeti's control sphere. (TV: The Web of Fear)