Nobel Prize controversies been favored to receive the Prize, but a committee member was later quoted as saying that they would have been "too predictable, too popular." The 1974 prize was denied to Graham Greene, Vladimir Nabokov, and Saul Bellow in favor of a joint award for Swedish authors Eyvind Johnson and Harry Martinson—both Nobel judges and unknown outside their home country. Bellow won in 1976; neither Greene nor Nabokov took home the prize. The 1970 prize was awarded to Soviet dissident Aleksandr Solzhenitsyn, who did not attend the ceremony in Stockholm for fear that the Soviet Union would prevent his return. His
Nobel Prize for his purported discovery of a parasite that caused cancer. To avoid repeating this embarrassment, the awards increasingly recognised scientific discoveries that had withstood the test of time. According to Ralf Pettersson, former chairman of the Nobel Prize Committee for Physiology or Medicine, "the criterion 'the previous year' is interpreted by the Nobel Assembly as the year when the full impact of the discovery has become evident." The interval between the award and the accomplishment it recognises varies from discipline to discipline. The Literature Prize is typically awarded to recognise a cumulative lifetime body of work rather than a single