Hans Hartung was a German-French painter, known for his gestural abstract style. He was also a decorated World War II veteran of the Legion d'honneur.

Julio González i Pellicer, born in Barcelona, was a Spanish sculptor and painter who developed the expressive use of iron as a medium for modern sculpture. He was from a lineage of metalsmith workers and artists. His grandfather was a goldsmith worker and his father, Concordio González, a metalsmith worker who taught him the techniques of metalsmith in his childhood years. His mother, Pilar Pellicer Fenés, came from a long line of artists.