In 1905 he wrote THREE papers that changed physics, any one of which could have won the Nobel Prize. And the work he did after General Relativity was more or less completely wrong.
He wrote FIVE papers in 1905, one of which did win him the Nobel prize. His 1921 Nobel prize was 'for his services to theoretical physics and in particular for his discovery of the law of the 'photoelectric effect'. English translations of all five Annus Mirabilis papers are available http://lorentz.phl.jhu.edu/AnnusMirabilis/#annus_articles.