Adolfo Casais Monteiro was a notable Portuguese poet, essayist, and translator, born on December 24, 1908, in Lisbon. He is recognized for his contributions to modernist literature in Portugal and was associated with the literary movement known as Orpheu. His works often explored themes of identity, existence, and the human experience. Monteiro's literary career spanned several decades, during which he published various collections of poetry and essays. He was also influential in translating works from French and Spanish into Portuguese, helping to bridge cultural gaps. He passed away on December 15, 1972, leaving a lasting impact on Portuguese literature.