A surname of Scottish origin, also famously associated with IBM's artificial intelligence system and Sherlock Holmes' companion Dr. Watson.
Scottish and English surname meaning 'son of Walter', from the medieval given name Wat (a diminutive of Walter) plus -son. Walter itself comes from Germanic elements meaning 'rule' and 'army'.
IBM's Watson AI system was named after the company's founder Thomas J. Watson, but it gained fame by defeating human champions on Jeopardy! in 2011, representing a milestone in natural language processing and artificial intelligence.
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