Otto Hahn in an obituary: Hahn's death did not stop his public acclamation. Proposals were made at different times, first in 1971 by American chemists, that the newly synthesized element no. 105 should be named hahnium in Hahn's honor; in 1997 the IUPAC (International Union of Pure and Applied Chemistry) named it dubnium, after the Russian research center in Dubna (see element naming controversy). Although element 108 was given the name hassium (after Hesse) by its officially recognized German discoverers in 1992, a 1994 IUPAC committee recommended that it be named hahnium (Hn), in spite of the long-standing convention to give the
Otto Hahn the discovery of fission." Hahn, since 1960 honorary president of the MPG, was made an honorary citizen of the cities of Frankfurt am Main and Göttingen in 1959, and of the land and the city of Berlin in 1968. The British physicist Robert Spence FRS, concluded in his essay: Otto Hahn died on 28 July 1968. The day after his death, the Max Planck Society published the following obituary notice in all the major newspapers in Germany, Austria, and Switzerland: Fritz Strassmann, Hahn's pupil and assistant, wrote: Otto Robert Frisch, Lise Meitner's nephew, recollected: The Royal Society in London wrote