Van de Graaf Accelerator
S. Chandrasekhar upper limit of mass of cold, non degenerate matter.
4 January 1930 discovery of 1141 Bohmia
8 January 1930 discovery of 1152 Pawona
24 January 1930 discovery of 1142 Aetolia
28 January 1930 discovery of 1143 Odysseus and 1144 Oda
28 September 1930 discovery of 1914 Hartbeespoortdam
11 November 1930 Birth of Hugh Everett
1930 Death of Christiaan Eijkman
1930 Birth of Joseph C Farman
1930 Death of Fritz Pregl
1930 Death of Alfred Lothar Wegener
1930 Death of Johann Georg Hagen
1930 Birth of Gregory A. Loew
1930 Birth of Paul Reardon
1930 Birth of John Myrick Dawson
Physics to Sir Chandrasekhara Venkata Raman for his work on the scattering of light and for the discovery of the effect named after him.
Chemistry to Hans Fischer "for his researches into the constitution of haemin and chlorophyll and especially for his synthesis of haemin"
Physiology or Medicine to Karl Landsteiner "for his discovery of human blood groups"