Any successful writers who had no professional ‘Literature’ training or degree?

I’m wondering are there any well-known, successful writers or fantastic books written by people who have no professional training/no college degree in English/Literature (or whatever the degree may be). I have so many interests and uncommon things I want to pursue and I’m wondering if I happened to write a book if it is possible for people who don’t have pro training to be able to have a successful, published book.
King did attend college but I believe he believes that a person does not necessarily need to attend college/university to be a writer. Although it does help.
King says in order to be a successful writer one should write every release day (He recommends 6 – 8 hours a day) & read every day (In this area a novel a week is excellent).

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Any successful writers who had no professional ‘Literature’ training or degree?