William Daniels built a remarkable career across television, film, theater, and voice acting, becoming recognizable to several generations of audiences. One of his best-known roles was KITT, the intelligent car in _Knight Rider_, where his calm and distinctive voice gave the fictional vehicle a memorable personality and helped make it one of the show’s most recognizable elements.

Daniels later reached another generation of viewers as George Feeny in _Boy Meets World_. As a thoughtful teacher and mentor, Mr. Feeny became a central and beloved character who offered guidance and perspective to the young people around him. Daniels’ ability to move between comedy, drama, voice work, television, film, and theater allowed him to create a wide variety of memorable characters.

Away from his professional work, Daniels shared a decades-long marriage with actress Bonnie Bartlett while both pursued careers in entertainment. Their long partnership became another meaningful part of his story, alongside a career that continued to connect with audiences across generations. From KITT to Mr. Feeny and many other roles, Daniels demonstrated how distinctive performances and years of dedicated work can create a lasting place in popular culture.