What aspects of the authors’ previous works captivated your enjoyment? Personally, my three chosen authors are Nicholas Sparks, as we all crave romance in our lives; Rick Riordan, whose books rekindle the youthful enthusiasm within me; and lastly, Fredrik Backman, whom I consider the finest realistic fiction author.
Unknown/Anonymous would be #1 so I could include a bunch of other older classic books or poems like the Bible, The Iliad and Odyssey, and other collections of oral stories or fairy tales like by Hans Christian Andersen and Grimm Brothers.
AI as my second because they could steal and print every book.
Third might be someone who wrote an extensive amount like Asimov. Plus he wrote about a variety of subjects, not just scifi.