Charles William Heckethorn (c. 1829 – 13 January 1902) was a Swiss-born, naturalized British, author best known for his history of secret societies which was produced in two editions and translated into German, and his works relating to the history of London. == Personal life == Charles Heckethorn was born in Switzerland, around 1829. His early years appear to have been spent in Basel but he later moved to Britain and became a naturalised British citizen. In 1850 he was "Professor of French an…