In 1926, on discovering that his novel, "Arrowsmith," had been awarded what was then called the Pulitzer Prize for the Novel, author Sinclair Lewis wrote the following letter to the Pulitzer Prize Committee and declined the honour. He remains the only person to have done so.
...I wish to acknowledge your choice of my novel "Arrowsmith" for the Pulitzer Prize. That prize I must refuse, and my refusal would be meaningless unless I explained the reasons.
All prizes, like all titles, are dangerous. The seekers for prizes tend to labor not for inherent excellence but for alien rewards: they tend to write this, or timorously to avoid writing that, in order to tickle the prejudices of a haphazard committee. And the Pulitzer Prize for novels is peculiarly objectionable because the terms of it have been constantly and grievously misrepresented.
Those terms are that the prize shall be given "for the American novel published during the year which shall best present the wholesome atmosphere of American life, and the highest standard of American manners and manhood." This phrase, if it means anything whatever, would appear to mean that the appraisal of the novels shall be made not according to their actual literary merit but in obedience to whatever code of Good Form may chance to be popular at the moment.
That there is such a limitation of the award is little understood. Because of the condensed manner in which the announcement is usually reported, and because certain publishers have trumpeted that any novel which has received the Pulitzer Prize has thus been established without qualification as the best novel, the public has come to believe that the prize is the highest honor which an American novelist can receive....