BERTRAM, CHARLES (1723-1765), English literary im postor, was a teacher of English at Copenhagen. He announced his discovery of a ms. written by Richard of Westminster which corrected and supplemented the Itinerarium of Antoninus in Britain, and produced a forgery which was generally accepted as genuine until 1866, when the imposture was exposed in the Gen tleman's Magazine. The document was included in Bertram's Britannicarum Gentium Historiae Antiquae Scriptores Treo