Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Alfonso Vallejo (born 1943, Santander) is a Spanish playwright, poet, painter and neurologist. He has published 33 plays and 20 poetry books. Vallejo was awarded the Lope de Vega prize in 1976 for his play "El desg ace." " cido Sulf rico" was the runner up prize in 1975. In 1978 he received the Internacional Tirso de Molina prize for his work A Tumba Abierta. The Royal Academia of Spain (Real Academia Espa ola), in 1981, awarded Vallejo the Fastenrath de la Real Academia prize for "El cero transparente." Vallejo's plays have been performed in many cities in Europe, the United States and South America. His works have also been translated into French, German, Arabic, Italian, Portuguese and Bulgarian.