Fernando de Rojas (c. 1465/73–1541) was a Spanish author and dramatist, known for his only surviving work, La Celestina (originally titled Tragicomedia de Calisto y Melibea), first published in 1499.John Clifford (now known as Jo Clifford) is an award-winning playwright, translator, poet and performer, who has also worked as a journalist and academic. As John Clifford, he was instrumental in establishing the reputation of the Traverse Theatre Company in the 1980s.