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Topic: Otto Hahn


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In the News (Mon 6 Oct 08)

  
  Otto Hahn
Otto Hahn (March 8, 1879 - July 28, 1968) was a German physicist.
Hahn was born in Frankfurt am Main and studied chemistry in Marburg and Munich.
Together with Lise Meitner and Otto von Baeyer[?], he developed a technique to measure the beta decay spectra of radioactive isotopes, which achievement was recognised by his securing the post of professor at the newly founded Kaiser-Wilhelm-Institute for Chemistry in Berlin in 1912.
www.ebroadcast.com.au /lookup/encyclopedia/ot/Otto_Hahn.html   (275 words)

  
 Otto Hahn - MSN Encarta
Hahn was born in Frankfort am Main and educated at the universities of Marburg and Munich.
Hahn, with his coworkers, Meitner and German chemist Fritz Strassmann, continued the research started by Italian physicist Enrico Fermi: bombarding uranium with neutrons.
Hahn was awarded the 1944 Nobel Prize in chemistry for his work in nuclear fission.
encarta.msn.com /encyclopedia_761565252/Otto_Hahn.html   (258 words)

  
 Otto Hahn - Wikipedia, the free encyclopedia
Otto Hahn (March 8, 1879 – July 28, 1968) was a German chemist and received the 1944 Nobel Prize in Chemistry.
Hahn was born in Frankfurt am Main and studied chemistry and mineralogy in Marburg and Munich.
Otto Hahn, honorary citizen of the cities of Frankfurt am Main and Göttingen and the state and city of Berlin, died at July, 28th, 1968.
en.wikipedia.org /wiki/Otto_Hahn   (2577 words)

  
 Otto-Hahn-Gymnasium Marktredwitz   (Site not responding. Last check: 2007-11-07)
When Otto Hahn came to him to London, famous William Ramsay had received the Nobel Prize for chemistry in 1904 for discovering the rare gases argon, helium, krypton, neon and xenon as well as for the analysis of the components of the atmospheric air.
Hahn, who was known for having the profoundest experience in separating chemical elements, repeatedly hit upon what he supposed to be artificial "radium", which could not be separated from barium that was attached to it.
Hahn appeared to be exceptionally well-suited to that post because of his scientific esteem at home and abroad, his political impeccability, his position as the oldest scientific member of that society as well as his pleasant personality.
www.ohg-marktredwitz.de /hahn/hahne.htm   (3745 words)

  
 Otto Hahn: Fission's Chemist - Kurt Stehling
In this letter (paraphrased here), a meticulous German chemist, Otto Hahn, was asking advice of the Austrian-born Jewish physicist Lise Meitner, with whom he had collaborated in Berlin for years before she fled to Sweden to escape Hitler's Germany.
Hahn was stating his evidence of the unthinkable, that the uranium nucleus had been split into smaller fragments, one of which was barium.
Hahn, a specialist in the chemistry of radioactive substances, hoped that Meitner's knowledge of physics would permit her to explain the strange behavior of their...
www.worldandi.com /specialreport/1997/june/Sa16033.htm   (205 words)

  
 NS Otto Hahn
NS Otto Hahn is one of only three nuclear-powered cargo vessels ever built (the others are NS Savannah and the Russian container ship Sevmorput).
Planning of a German-built trade and research vessel to test the feasibility of nuclear power in civil service began in 1960, and Otto Hahns keel was laid down in 1963 by Howaldtswerke Deutsche Werft[?] AG of Kiel.
In 1983, Otto Hahn was recomissioned as the container ship MS Trophy and leased into commercial marine service.
www.ebroadcast.com.au /lookup/encyclopedia/ns/NS_Otto_Hahn.html   (235 words)

  
 Otto Hahn, Lise Meitner, and Fritz Strassmann
In 1938 Otto Hahn (1879–1968), Lise Meitner (1878–1968), and Fritz Strassmann (1902–1980) were the first to recognize that the uranium atom, when bombarded by neutrons, actually split.
In 1912 their research group was relocated to the new Kaiser Wilhelm Gesellschaft, where Fritz Haber was head of the physical chemistry institute, Hahn was head of the radioactivity institute, and from 1918 Meitner was head of the radioactivity institute's physics department.
At the end of the war Hahn was astonished to hear that he had won the Nobel Prize for chemistry in 1944 and that nuclear bombs had been developed from his basic discovery.
www.chemheritage.org /classroom/chemach/atomic/hahn-meitner.html   (659 words)

  
 Otto Hahn   (Site not responding. Last check: 2007-11-07)
Hahn did not participate in the resultant development of the atom bomb.
Hahn was born in Frankfurt-am-Main and studied at Marburg.
Hahn was director of the Kaiser Wilhelm Institute for Chemistry in Berlin 1928-44, and then president of the Max Planck Institute in Gottingen.
peace.nobel.brainparad.com /otto_hahn.html   (193 words)

  
 Otto Hahn | Biography | atomicarchive.com
Hahn worked initially at the Chemical Institute at Marburg, then moved to University College in London in 1904, on to the Physical Institute of McGill University in Montreal in 1905, and then to the Chemical Institute of the University of Berlin in 1906.
Hahn and Meitner also worked together on the discovery of an artificially active uranium isotope, which represents the basic substance of the elements neptunium and plutonium, first revealed later in America.
Hahn died on July 28, 1968; one of the worldÕs few nuclear-powered merchant ships, Otto Hahn, was named in his honor.
www.atomicarchive.com /Bios/Hahn.shtml   (408 words)

  
 Otto Hahn.   (Site not responding. Last check: 2007-11-07)
Otto Hahn was the chemist whose discovery of nuclear fission ultimately led to the ending of WW II by the terrible drop of atomic bombs on Hiroshima and Nagasaki in August 1945.
The story of Hahn's discovery began in 1938 with a report by Irène Joliot-Curie that bombarding uranium with neutrons had resulted in the production of a radionuclide of thorium, which they later speculated was a transuranium element similar to lanthanum.
When they published their results (Jan. 6, 1939) Hahn and Strassmann noted that such a thing was "in opposition to all the phenomena observed up to the present in nuclear physics." Hahn, conscious of the fact that as a chemist he was trading in the domain of physics, did not offer an explanation.
quasar.physik.unibas.ch /~aste/hahn.html   (325 words)

  
 Otto Hahn Information Center - lise meither and otto hahn
Otto Hahn (March 8, 1879 – July 28, 1968) was a German chemist.
otto hahn bombs After receiving his PhD in 1901 he worked initially at Marburg University then, from 1904, at London, from 1905 at Montreal and from 1906 in Berlin.
Together with Lise otto hahn Meitner and Otto von Baeyer, he developed a technique to measure the beta decay spectra of radioactive isotopes; this achievement was recognised by his securing the post of professor at the newly founded Kaiser-Wilhelm-Institute for Chemistry in Berlin in 1912.
www.scipeeps.com /Sci-Chemistry_Topics_Mi_-_O/Otto_Hahn.html   (411 words)

  
 Otto Hahn Biography | scit_0612345_package.xml
Hahn was one of four children born to a professional glazier, and was initially attracted to organic chemistry in college, taking his doctorate at Marburg University in 1901 under Theodor Zincke.
Dissuading Hahn from his intention to work in industry, in 1904 Zincke obtained a position for him as a research assistant in London with William Ramsay (1852-1916), where he isolated radiothorium, a radioactive isotope of thorium, by chemical analysis of a radioactive mineral blend.
Another important area of research was Hahn's development of the "emanation method" to study the character of and changes in the surfaces of finely divided solution precipitates.
www.bookrags.com /biography/otto-hahn-scit-0612345   (734 words)

  
 Hahn Otto: Free Encyclopedia Articles at Questia.com Online Library   (Site not responding. Last check: 2007-11-07)
Hahn was a member of the Kaiser Wilhelm Institute of Chemistry, Berlin, from 1912 and director from 1928 to 1944.
She insisted that they...in anxious isolation." OTTO HAHN was in captivity in England...
Hahn was a member of the Kaiser Wilhelm Institute of Chemistry, Berlin, from 1912...
www.questia.com /library/encyclopedia/hahn-otto.jsp?l=H&p=1   (1514 words)

  
 Otto Hahn - Biography
On his return to Europe Hahn moved to Berlin, to the Chemical Institute (Emil Fischer) of the University and there he qualified as a university lecturer in the spring of 1907, which year also saw his discovery of mesothorium.
Between 1914 and 1918 Hahn's work was interrupted by his service in the First World War, but he resumed his research with Professor Meitner in 1918, and discovered protactinium, the long-lived mother substance of the actinium series.
Hahn's own particular sphere was chemistry and he further discovered uranium Z, the first case of a nuclear isomerism of radioactive kinds of atoms.
www.nobel.se /chemistry/laureates/1944/hahn-bio.html   (671 words)

  
 Otto Hahn - Wikipedia
Bereits 1924 wurde Hahn zum Ordentlichen Mitglied der Preußischen Akademie der Wissenschaften in Berlin ernannt (auf Vorschlag von Einstein, Haber, Planck, Schlenk und von Laue).
Otto Hahn, seit 1960 Ehrenpräsident der Max-Planck-Gesellschaft, erhielt zahlreiche staatliche und akademische Auszeichnungen und Ehrendoktortitel auf der ganzen Welt.
Otto Hahn ist auf der Frankfurter Treppe verewigt.
de.wikipedia.org /wiki/Otto_Hahn   (3541 words)

  
 Otto Hahn
Otto Hahn, the son of a glazier, was born in Frankfurt am Main, Germany, on 8th March, 1879.
In the 1930s Hahn became interested in the research being carried out by Enrico Fermi and Emilio Segre at the University of Rome.
She moved to Sweden and in 1939 wrote a paper on nuclear fission with her nephew, Otto Frisch, where they argued that by splitting the atom it was possible to use a few pounds of uranium to create the explosive and destructive power of many thousands of pounds of dynamite.
www.spartacus.schoolnet.co.uk /GERhahn.htm   (845 words)

  
 Otto Hahn (1879-1968)
Hahn and his co-workers at that institute discovered protactinium.
In 1935, together with Meitner and Strassman, Hahn began to work in uranium bombardment with neutrons, which led to the discovery, in 1938, of nuclear fission.
Hahn proceeded his research in Nuclear Physics, in Germany, during World War II, until he was captured by the Allied Forces and sent to England.
nautilus.fis.uc.pt /st2.5/scenes-e/biog/b0048.html   (252 words)

  
 Otto Hahn Biography | World of Chemistry
Otto Hahn is noted for his work on radioactive materials, which in 1938 led to his discovery, with physicist Lise Meitner and chemist Fritz Strassmann, of the process of nuclear fission.
In recognition of their work, Hahn and Strassmann received the 1944 Nobel Prize in chemistry, and Hahn, Strassmann, and Meitner received the Fermi Award in 1966.
Hahn was born in Frankfurt-am-Main on March 8, 1879, to Heinrich Hahn, a glazier, and Charlotte Giese Stutzmann Hahn.
www.bookrags.com /biography/otto-hahn-woc   (104 words)

  
 NS&T : History : Hall of Fame : Otto Hahn
Hahn was a German physical chemist and Nobel laureate, whose greatest contributions were in the field of radioactivity.
In 1938, however, Hahn and Strassmann, while looking for transuranic elements in a sample of uranium that had been irradiated with neutrons, found traces of the element barium.
It was proposed in 1970 that the newly synthesized element number 105 be named hahnium in his honor, but another naming system was adopted for transuranium elements beyond 104.
www.aboutnuclear.org /view.cgi?fC=History,Hall_of_Fame,Otto_Hahn   (255 words)

  
 Fergie's Tech Blog: 8 March 1879: Happy Birthday, Nobel Laureate Otto Hahn
Otto Hahn and Lise Meitner at laboratory (undated).
Otto Hahn (March 8, 1879 – July 28, 1968) was a German chemist.
Together with Lise Meitner and Otto von Baeyer, he developed a technique to measure the beta decay spectra of radioactive isotopes; this achievement was recognised by his securing the post of professor at the newly founded Kaiser-Wilhelm-Institute for Chemistry in Berlin in 1912.
fergdawg.blogspot.com /2006/03/8-march-1879-happy-birthday-nobel.html   (459 words)

  
 Highbeam Encyclopedia - Search Results for Hahn, Otto   (Site not responding. Last check: 2007-11-07)
A refugee from Germany after 1938, she became associated with the Univ. of Stockholm and with the Nobel Institute at Stockholm.
Cast member Miranda Otto attends the Los Angeles premiere of The Lord Of The Rings: The Two Towers at the Cineramadome in Hollywood, California, Sunday December 15, 2002.
Archduke Otto Von Habsburg and American Hungarian emigres during and after World War II.
www.encyclopedia.com /printable/05555.html   (556 words)

  
 Alsos: Otto Hahn: A Scientific Autobiography
This autobiography by physicist Otto Hahn documents his scientific achievements from 1904 to 1945.
It describes his work in nuclear physics and radiochemistry, and culminates with the discovery of fission in 1938, a feat for which he won the 1945 Nobel Prize in Chemistry.
Hahn also mentions his relationships with brilliant scientists such as William Ramsey and Ernest Rutherford, and details his close work with Lise Meitner.
alsos.wlu.edu /information.aspx?id=98   (90 words)

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