William Dargan's career began in Wales on the Holyhead Road, working under the famous Scottish engineer, Thomas Telford. He went on to build roads, railways, canals and reservoirs, developed hotels and the resort towns of Bray and Portrush, laid out Belfast harbour, ran flax and thread mills and reclaimed vast tracts of farmland in Derry and Wexford. He operated canal boats and cross-channel steamers, constructed several canals and railways in England...