The Nobel Prize in Literature was a controversial award because of its selection criteria and process. Here are some of the controversial winners of the Nobel Prize in Literature: - Mo Yan: Mo Yan won the Nobel Prize in Literature in 2012, but his novels were not very popular in China, so his award caused some controversy. Some people thought that his literary achievements were very high, while others thought that his literary style was not appreciated by Asian readers. - Calvino: Calvino was an Italian who won the Nobel Prize in Literature in 2007. However, his award caused some controversy because his works were often regarded as a pioneer style of modern literature rather than traditional classical literature. Some people thought his award was too frivolous, while others thought his literary value was widely recognized. - Nabokov: Nabokov was a Russian who won the Nobel Prize in Literature in 1964. His award caused some controversy because his works were often regarded as representative of modern literature rather than traditional classical literature. Some people thought his award was too frivolous, while others thought his literary value was widely recognized. The selection criteria and process of the Nobel Prize in Literature were controversial and questionable, so anyone who had won the award could cause controversy.