Alfonso Paso Gil was born into a "theatre dynasty" in
Madrid. His father was the
Zarzuela playwright and librettist (1878–1950). His mother was the actress Juana Gil. Early on he abandoned a career as an aeronautical engineer and turned to the study of
Philosophy and
Literature, graduating in 1952 and focusing on American History and Archeology. Later he studied Medicine and Psychiatry, then switching again, this time to journalism. He married Evangelina Jardiel, daughter of
Enrique Jardiel Poncela (1901–1952). Their children included the actress . Although he often worked as an actor, his more lasting notability results from his work as a writer. He died of
liver cancer in Madrid on 10 July 1978. ==Writing career==