Charles Congreve was born in Sheffield on 20 March 1799, the son of William (a grinder) and Jane Congreve. He worked as a bookkeeper and became a founding partner of Naylor, Hutchinson & Vickers (the forerunner of the Vickers’ steel combine), which traded through New York. Congreve left that partnership by 1833 to operate from Gell Street and then from Arundel Works, Arundel Street. His residence was in Upperthorpe. He became an American merchant, who made regular transatlantic trips. &....