In 1998, he was awarded the Max Planck Prize for Physics and that same year he received the Príncipe de Asturias Prize for Scientific and Technical Research for his discoveries in the theoretical prediction of surface image electronic states on solids.
En 1998 concedéronlle o Premio Max Planck de Física e ese mesmo ano obtivo o Premio Príncipe de Asturias de Investigación Científica e Técnica polos seus descubrimentos na predición teórica de estados electrónicos imaxe na superficie de sólidos.