Karl Landsteiner blood group A nor of blood group B. Therefore, the immune systems of persons with blood group A, B or AB do not refuse the donation. Further, because persons with blood group AB do not form antibodies against either the antigens of blood group A or B, they can accept blood from persons with these blood groups, besides from persons with blood group O-negative. In today's blood transfusions only concentrates of red blood cells without serum are transmitted, which is of great importance in surgical practice. In 1930 Landsteiner was awarded the Nobel Prize in Physiology or Medicine in recognition
2012 Nobel Peace Prize the European Union. The 1984, 1976 and 1980 laureates stated in an open letter to the Nobel Foundation, based in Sweden, that in their view the EU stood for "... security based on military force and waging wars rather than insisting on the need for an alternative approach" and that "... the Norwegian Nobel Committee has redefined and reshaped the prize in a way that is not in accordance with the law". The International Peace Bureau, which won the prize in 1910, and several peace activists, writers and lawyers also signed the letter. The signatories demanded that the Nobel Foundation