The term 'The Picture of Dorian Gray Author' is referring to the Irish writer Oscar Wilde, who wrote the novel in 1890. Wilde was a renowned playwright, poet, and novelist, and his works are still widely read today. He is best known for his novel The Picture of Dorian Gray, which tells the story of a man whose portrait ages while he remains young. Wilde's other works include plays such as The Importance of Being Earnest and Lady Windermere's Fan.