

Translated to English, Catalan and Galician. English translation of Tras el último dinosaurio, Edebé, 1996. English translation of Más allá del agujero negro, Terra Nova, 1995. English translation of Bajo un cielo anaranjado, S.M., 1992. English translation of Un Rostro en el Tiempo, Noguer, 1989. English translation of La corona tartesia, San Pablo, 2012. English translation of La tabla esmeralda, Palabra, 2004. English translation of El sello de Eolo, Edebé, 2000.

English translation of El agua de la vida, S.M., 1998. Translated into French and English: La revanche d'Osiris, Hachette, 1993. Finalista of the Lazarillo Award 1987 and Elena Fortún Award 1988. English translation of La herencia del rey Escorpión, Aguilar, 1989. Lazarillo Award 1988, translated into Catalan and English. English translation of El rubí del Ganges, Noguer, 1989. English translation of Ennia, Noguer, 1993.

La aventura de Sir Karel de Nortumbria, Espasa Calpe, 1990, Anaya, 2002.English translation of El continente perdido, Siglo Cultural, 1986. English translation of El secreto del campo de hielo, Siglo Cultural, 1986. English translation of La odisea del Cisne de Plata, Siglo Cultural, 1986. English translation of El misterio del Lago Negro, Siglo Cultural, 1986. English translation of El viaje de Tivo el Arriesgado, Siglo Cultural, 1986. The journey of Tivo the Dauntless, Writers Club Press, San José, CA, 2000.He was also given three Outstanding Technical Achievements Awards (1981, 1983, 1985) and one Technical Paper Award (1989) by IBM. He was granted the Lazarillo Award (1988) and La Brújula Award for Children and Young Adult Narrative (2012), besides having been finalist and included in honor lists several times. He is the author of over fifty books in the fields of computer science and popular science, as well as historic novels, science fiction, and young adult literature. He has published about two hundred technical papers in Spanish and English, as well as many articles on popular science in high diffusion newspapers and web blogs. He has been a professor at several universities: Complutense de Madrid, Politécnica de Madrid and (now) Autónoma de Madrid, where he was a full professor (currently an honorary professor) and director of the Escuela Politécnica Superior (2001–2004).

He worked for 22 years at IBM (1972–1994), where he was Senior Technical Staff Member. He is a doctor of communications engineering and graduated in Computer Science. He is the son of the painter and sculptor Manuel Alfonseca Santana. Manuel Alfonseca (born 1946, Madrid) is a Spanish writer and university professor.
