Terry Pratchett was not a film actor but a renowned English author best known for his "Discworld" series, a collection of satirical fantasy novels. Born in 1948, he published his first novel, "The Carpet People," in 1971. Pratchett gained widespread acclaim for his unique blend of humor and insightful commentary on human nature. Over his career, he authored over 40 books in the "Discworld" series. Diagnosed with Alzheimer's disease in 2007, he became an advocate for related causes until his passing in 2015.