Nobel Prize controversies works there were available only in samizdat-published, clandestine form. After the Swedish government refused to hold a public award ceremony and lecture at its Moscow embassy, Solzhenitsyn refused the award altogether, commenting that the conditions set by the Swedes (who preferred a private ceremony) were "an insult to the Nobel Prize itself." Solzhenitsyn later accepted the award on 10 December 1974, after the Soviet Union banished him. Critics suggest that Solzhenitsyn was awarded the prize because of his political stance, not his writing. Leo Tolstoy was nominated for the two first-ever Nobel Prizes in Literature. In the first year, the
Nobel Prize in Physiology or Medicine development of the knockout mouse. There have been 37 times when the Nobel Prize in Physiology or Medicine was awarded to a single individual, 31 times when it was shared by two, and 33 times there were three laureates (the maximum allowed). In 2009, the Nobel Prize was awarded to Elizabeth Blackburn, Carol W. Greider and Jack W. Szostak of the United States for discovering the process by which chromosomes are protected by telomeres (regions of repetitive DNA at the ends of chromosomes) and the enzyme telomerase; they shared the prize of 10,000,000 SEK (slightly more than €1 million, or