The Invisible Man by H. G. Wells. Terrifically popular science fiction novel by renowned writer HG Wells, about a scientist discovering how to achieve invisibility. But, in his case, being out of sight evidently does NOT mean out of mind.
Walmgate Bar is the most complete of the four main medieval gateways to the city, it is the only bar to retain its barbican, portcullis and inner doors. Its oldest part is a 12th century stone archway, the walled barbican at the front dates from the 14th century, the wooden gates from the 15th century and the timber-framed building on the inside from the 16th century.