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
Von Hahn Von Hahn The name von Hahn (German ""Hahn"" equals the expression of rooster) is a German-Baltic-Russian noble family. Its most famous member was Helena von Hahn, aka Madame Blavatsky. The origin of the name and the gender is not clear. The first Hahn, with whom this coat of arms is associated, is mentioned in the historical annals as Eckhard the I-st, or "Eggehardus Gallus" in Latin original. In 1230 he is referred to as a councilor and a knight of the Duke Johann the I-st of Mecklenburg. Not much is known about his ancestors, though the family legend points to