During his life in retirement, from 1959 up to his death in 1973, Tolkien received steadily increasing public attention and literary fame. In 1961, his friend C. S. Lewis even nominated him for the Nobel Prize in Literature. The sales of his books were so profitable that he regretted that he had not chosen early retirement. In a 1972 letter, he deplored having become a cult-figure, but admitted that "even the nose of a very modest idol ... cannot remain entirely untickled by the sweet smell of incense!"