Karl Landsteiner Karl Landsteiner Karl Landsteiner, , (14 June 1868 – 26 June 1943) was an Austrian biologist, physician, and immunologist. He distinguished the main blood groups in 1900, having developed the modern system of classification of blood groups from his identification of the presence of agglutinins in the blood, and identified, with Alexander S. Wiener, the Rhesus factor, in 1937, thus enabling physicians to transfuse blood without endangering the patient's life. With Constantin Levaditi and Erwin Popper, he discovered the polio virus in 1909. He received the Aronson Prize in 1926. In 1930, he received the Nobel Prize in Physiology or
Nobel Prize controversies been given a Nobel Prize because he has made known his intention to refuse the reward is ridiculous", further stating a recipient could only decline a Nobel Prize after he is announced a winner. Otto Heinrich Warburg, a German national who won the 1931 Nobel Prize in Physiology and Medicine, was rumored to have been selected for the 1944 prize but forbidden to accept it. According to the Nobel Foundation, this story is not true. Multiple primary fields of human intellectual endeavor—such as mathematics, philosophy and social studies—were not included among the Nobel Prizes, because they were not part of