Darmstadtium the JINR showed signs of Ds being produced from Pu and S. Each team proposed its own name for element 110: the American team proposed "hahnium" after Otto Hahn in an attempt to resolve the situation on element 105 (which they had long been suggesting this name for), the Russian team proposed "becquerelium" after Henri Becquerel, and the German team proposed "darmstadtium" after Darmstadt, the location of their institute. The IUPAC/IUPAP Joint Working Party (JWP) recognised the GSI team as discoverers in their 2001 report, giving them the right to suggest a name for the element. Using Mendeleev's nomenclature for
Otto Hahn Peace Medal institutions that have rendered ""outstanding services to peace and international understanding"". By tradition, the gold medal, together with a leather-bound diploma inlaid in gold, is presented in Berlin at a biennial ceremony on 17 December by the Governing Mayor of Berlin and the President of the DGVN. On 17 December 1938, in Berlin-Dahlem, Otto Hahn and his assistant Fritz Strassmann had discovered a new reaction in uranium (which exiled Lise Meitner and her nephew Otto Frisch two weeks later correctly interpreted as "nuclear fission") thus laying the scientific and technical foundations of nuclear energy. This 17 December 1938 therefore marks