Nestor Basterretxea, Spanish painter and sculptor (d. 2014)
Nestor Basterretxea Arzadun (6 May 1924 – 12 July 2014) was a Basque Spanish artist, born in Bermeo, Biscay, Basque Autonomous Community. 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.