Juan León Mera Martínez was an Ecuadorian essayist, novelist, politician and painter. His best-known works are the Ecuadorian National Hymn and the novel Cumandá (1879). Additionally, in his political career, he was a functionary of president Gabriel García Moreno.
Juan Luis Vives March was a Spanish (Valencian) scholar and Renaissance humanist who spent most of his adult life in the Southern Netherlands. His beliefs on the soul, insight into early medical practice, and perspective on emotions, memory and learning earned him the title of the "father" of modern psychology. Vives was the first to shed light on some key ideas that established how psychology is perceived today.
Don Juan Manuel was a Spanish medieval writer, nephew of Alfonso X of Castile, son of Manuel of Castile and Beatrice of Savoy. He inherited from his father the great Lordship of Villena, receiving the titles of Lord, Duke and lastly Prince of Villena. He married three times, choosing his wives for political and economic convenience, and worked to match his children with partners associated with royalty. Juan Manuel became one of the richest and most powerful men of his time, coining his own currency as the kings did. During his life, he was criticised for choosing literature as his vocation, an activity thought inferior for a nobleman of such prestige.
Juan Marinello Vidaurreta was a Cuban Communist intellectual, writer, poet essayist, lawyer and politician. He was one of the most prominent Cuban intellectual figures of the interwar period and post revolutionary Cuba.
Juan Marsé Carbó was a Spanish novelist, journalist, and screenwriter who used Spanish as his literary language. In 2008, he was awarded the Cervantes Prize, "the Spanish-language equivalent" to the Nobel Prize in Literature.
Joan Mascaró, generally known as Juan was a Spanish translator. He used the Spanish spelling of his name (Juan) because the Catalan spelling (Joan) is the same as that of the female English name "Joan".
Juan Antonio Mayorga Ruano is a Spanish dramatist. He is best known in English-speaking countries for his 2004 play Himmelweg , which was brought to the London stage in June 2017 as part of the Festival of Spanish Theatre in London (Festelón).