He is known for his plays, including:
* Six Characters in Search of an Author (1921)
* Henry IV (1922)
* Right You Are (If You Think So) (1923)
* As You Desire Me (1930)
He also wrote novels like:
* The Old and the Young (1908)
* The Late Mattia Pascal (1904)
It's possible there is another writer named Luigi Rinaldi, but he's not as famous or well-known as Luigi Pirandello.