'The Picture of Dorian Gray' is a philosophical novel by -

The Picture of Dorian Gray, a moral fantasy novel by Irish writer Oscar Wilde, was published first in Lippincott's Monthly Magazine in 1890 and as a book in 1891.
- Oscar Wilde was an Irish Poet, Novelist, and Dramatist.

His famous books:
• The Picture of Dorian Gray,
• The Importance of Being Earnest,
• A woman of No Importance,
• An Ideal Husband,
• Lady Windermere's Fan etc.
Source: An ABC of English Literature, Dr M Mofizar Rahman.