"Orellana briefly studied at the Universidad de Chile reading Archaeology and Anthropology, studies that were followed by a journey of archaeological studies through Northern Chile, Peru, Bolivia and Argentina, led by Father Le Perc and the famous archaeologist Antonio Diez de Medina.Following this intense period of studies in archaeology, which were to greatly affect his work to this day, Orellana moved to Spain, first in a brief spell in Majorca and then to settle in Madrid, where he became a founding member of the Grupo Hondo in 1959.