About Nestor Basterretxea
Nestor Basterretxea Arzadun was a Basque artist, born in Bermeo, Biscay, Basque Country. In the 1950s and 1960s, he spearheaded along with other artists such as Jorge Oteiza, Remigio Mendiburu, or Eduardo Chillida, an avant-garde artistic movement concerned with the crisis of Basque identity, and formally a special focus on large volumes and the concept of emptiness. In 1982, he created the seven branched tree that heads the Basque Parliament. In the 1980s Basterretxea became Culture Councillor for the Basque Government for two years.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.