DAVID ROSENBERG has demolished an assumption and disrupted a habit.

[[{"fid":"14664","view_mode":"inlineright","fields":{"format":"inlineright","field_file_image_alt_text[und][0][value]":false,"field_file_image_title_text[und][0][value]":false},"link_text":null,"type":"media","field_deltas":{"1":{"format":"inlineright","field_file_image_alt_text[und][0][value]":false,"field_file_image_title_text[und][0][value]":false}},"attributes":{"class":"media-element file-inlineright","data-delta":"1"}}]]I always assumed that my knowledge of London’s dissenting tradition was adequate but incomplete, but this revised edition of his Rebel Footprints exposes my ignorance of key aspects of even the better-known episodes in the city’s radical history.

For years, quarterly meetings in Chancery Lane have been preceded by aimless, time-killing strolls around EC4, but my next visit will include a carefully planned trudge from the Savoy Hotel on The Strand to Dorset Rise, just off Fleet Street.