Calderón refers to Pedro Calderón de la Barca, a prominent Spanish playwright and poet from the Golden Age of Spanish literature. Born in 1600, he is best known for his works in the genre of auto sacramental, a type of religious drama. His most famous play, "La vida es sueño" ("Life is a Dream"), explores themes of reality and illusion. In addition to his theatrical contributions, Calderón served in the Spanish military and held various positions in the royal court. His works have had a lasting impact on Spanish literature and continue to be studied and performed today, influencing writers and playwrights worldwide.