The Guardian   Tim Jonze   Richard Serra, the American artist known for bending the boundaries of sculpture, has died at the age of 85. Serra died at home on Tuesday at his home in New York. The cause of death was pneumonia, his lawyer John Silberman confirmed to the New

Francisco Javier San Martín   ¿Es posible imaginar dos artistas tan alejados como Richard Serra y Salvador Dalí, dos obras de arte más diferentes, más sujetas a concepciones del arte tan desiguales como una construcción con planchas de plomo del Serra de finales de los sesenta y