Greenvile Collins

Greenvile Collins produced the first British survey of our coasts in Great Britain’s Coasting Pilot, previously the Dutch had been pre-eminent in this field. Collins won the support of King Charles I to produce his survey of England and Scotland, it took seven years. He was not a local hydrographer but did make the local …

George Thomas

In 1810 Thomas succeeded Spence and commissioned the survey brig HMS Investigator in 1810 which he was to command for twenty-six years. He then had HMS Mastiff for ten years and died aboard. For some of that time his son, who was to become a Commander, was his assistant. His surveys mainly covered the North …