Together with Manuel Barbadillo was one of the most prominent computer artists of Spain during the 60-70s. Founding member of the Seminar "Generación Automática de Formas Plásticas", which was held in the Complutense University (CCUM) in Madrid. In 1969, in these seminars, led by Florentino Briones, Alexanco started working on an interactive program that generates three-dimensional forms.