Fredrik Henrik af Chapman (9 September 1721 – 19 August 1808) was a Swedish shipbuilder, scientist and naval officer. He was vice admiral in the Swedish Navy, and manager of the Karlskrona shipyard from 1782 to 1793. Chapman is credited as the world's first person to apply scientific methods to shipbuilding and is considered to be the first naval architect. Chapman was the author of Architectura Navalis Mercatoria (1768) and several other shipbuilding-related works.
https://en.wikipedia.org/wiki/Fredrik_Henrik_af_Chapman