Editing Douglas Lenat (section)

==Personal life and death==
Lenat was married to Merle Baruch, with whom he had a daughter;<ref name=STANMAG>{{citation |url=https://stanfordmag.org/contents/he-taught-ai-the-facts-of-life |newspaper=Stanford Magazine |date=16 November 2023 |title=He Taught AI the Facts of Life |author=Kali Shiloh}}</ref> they divorced and he later married Cycorp business manager Mary Shepherd.<ref name="W16" /> He died of [[bile duct cancer]] on August 31, 2023, at the age of 72.<ref name="RR" /><ref name="NYT" />