William Rule (Surveyor of the Navy)

Launch of HMS Trafalgar (Caledonia class)
Rule's drawing for the Albatross class
HMS Acasta at the Battle of St Domingo

Sir William Rule (c. 1750–1816) was a shipbuilder and designer to the Royal Navy who rose to be Surveyor of the Navy.

Designing during the Napoleonic Wars, many of his ships took place in the critical battles: Nile, Trafalgar, Copenhagen, etc.