Karl Landsteiner ("tuberculinum prestinum"). He also published a number of papers, five of them being published in Dutch by the Royal Academy of Sciences. Yet working conditions proved to be not much better than in post-war Vienna. So Landsteiner accepted the invitation that reached him from New York, initiated by Simon Flexner, who was familiar with Landsteiner's work, to work for the Rockefeller Institute. He arrived there with his family in the spring of 1923. Throughout the 1920s Landsteiner worked on the problems of immunity and allergy. In 1927 he discovered new blood groups: M, N and P, refining the work he
Nobel Prize controversies stated, should be given "to the person who shall have made the most important 'discovery' or 'invention' within the field of physics". Awards committees have historically rewarded discoveries over inventions: 77% of Nobel Prizes in physics have been given to discoveries, compared with only 23% to inventions. In addition, the scientific prizes typically reward contributions over an entire career rather than a single year. No Nobel Prize was established for mathematics and many other scientific and cultural fields. An early theory that jealousy led Nobel to omit a prize to mathematician Gösta Mittag-Leffler was refuted because of timing inaccuracies. Another