Suppose Roald Dahl (13 September 1916 – 23 November 1990) was a British novelist, short-story writer, poet, screenwriter, and wartime fighter pilot. His books have sold more than 250 million copies worldwide. He was best known for his children's books, which include Charlie and the Chocolate Factory, Matilda, The Witches, and James and the Giant Peach.
Can we infer that "Roald Dahl was a scientist"? Yes, no, or maybe?