Oscar Wilde was an Irish playwright, poet, and author who lived in the 19th century. He is best known for his wit, flamboyant style, and his plays such as "The Importance of Being Earnest" and "An Ideal Husband." Wilde was also known for his novel "The Picture of Dorian Gray" and for his famous quotes and epigrams. He was a prominent figure in the aesthetic and decadent movements of his time and is remembered for his sharp wit and his contributions to literature and the arts.