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 discoverer the right to suggest a name. This recommendation was not adopted, following protests from the German discoverers, and the name hassium (Hs) was adopted internationally in 1997. In 1964 the only European nuclear-powered civilian ship, the freighter "NS Otto Hahn", was named in his honor. In 1959 there were the opening ceremonies of the Otto Hahn Institute in Mainz and the Hahn-Meitner-Institut "for Nuclear Research" (HMI) in Berlin. There are craters on Mars and the Moon, and the asteroid No. "19126 Ottohahn" named in his honor, as were the Otto Hahn Prize of both the German Chemical and Physical