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Topic: Fritz Strassmann


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In the News (Wed 3 Dec 08)

  
  Fritz Strassmann | Biography | atomicarchive.com
Fritz Strassmann was born on February 22, 1902, in Boppard, Germany.
Strassmann later worked at the Kaiser Wilhelm Institute and, from 1945 to 1953, was director of the chemistry department at the Max Planck Institute.
Strassmann was on the ALSOS list, the Manhattan Project's military intelligence effort to capture known, enemy nuclear scientists in an attempt to learn how far Germany had progressed in its efforts to develop a nuclear weapon.
www.atomicarchive.com /Bios/Strassmann.shtml   (239 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.
Meitner, Hahn, and another chemist, Fritz Strassmann, who had worked with the partners since 1929, were deeply involved in identifying the products of neutron bombardment of uranium and their decay patterns.
www.chemheritage.org /classroom/chemach/atomic/hahn-meitner.html   (659 words)

  
 Fritz Strassmann
Fritz (1902-1980) chemist · Laue, Max, von (1879-1960) physicist · Heuss, Theodor (1884-1963) politician...
Fritz (born Feb. 22, 1902, Boppard, Ger.-died April 22, 1980, Mainz, W.Ger.) German physical chemist...
Strassmann of Germany split the uranium atom by bombarding it with neutrons.
www.netactics.co.uk /fritz_strassmann.html   (369 words)

  
 Fritz Strassmann - Wikipedia, the free encyclopedia
Born in Boppard, he began his chemistry studies in 1920 at the Technical University of Hannover and earned his Ph.D. in 1929.
In 1944 Strassmann received together with Otto Hahn the Nobel Prize for their works on nuclear fission.
Leben und Wirken von Fritz Straßmann; Verlag Chemie, 1981
en.wikipedia.org /wiki/Fritz_Strassmann   (355 words)

  
 Otto Hahn.   (Site not responding. Last check: 2007-11-05)
In the process of duplicating her work, Hahn and co-worker Fritz Strassmann discovered that, among other things, three isotopes of barium had been produced.
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.
Nevertheless, despite the contributions of Strassmann and Meitner, it was Hahn who was awarded the 1944 Nobel Prize in chemistry for the discovery.
quasar.physik.unibas.ch /~aste/hahn.html   (325 words)

  
 Biography (via CobWeb/3.1 planetlab2.netlab.uky.edu)   (Site not responding. Last check: 2007-11-05)
She was the head of the physics department of the Kaiser Wilhelm Institute, until forced to flee from Nazi persecution.
In 1966, she along with Hahn and Strassmann were awarded the Enrico Fermi Prize.
In 1938, in collaboration with Fritz Strassmann, Hahn discovered that barium could be produced by bombarding uranium with neutrons.
www2.vo.lu.cob-web.org:8888 /homepages/geko/atom/biogr.htm   (2231 words)

  
 Fritz Haber Bio
Fritz Haber was born on 9 December 1868 in Breslau (now Wroclaw in Poland).
In 1938 Otto Hahn (1879—1968), Lise Meitner (1878—1968), and Fritz
Fritz was born on December 9, 1868 in the respected
www.fortunecity.com /victorian/statue/1032/id557.htm   (2768 words)

  
 Jantar Mantar - Children's Science Observatory   (Site not responding. Last check: 2007-11-05)
Meitner led the collaboration with Otto Hahn and Fritz Strassman that led to the to Hahn.
She started detailed studies of neutron energy, and was among the first to note that slow neutrons were more readily captured in nuclear reactions than fast ones.
In the midst of very exciting discoveries, while she was leading the team, she was formally an assistant, and it was impossible for her to be part of many Hahn and Strassmann publications.
www.chennaionline.com /jantarmantar/99Mar/lisemietner.html   (1066 words)

  
 The Discovery of Fission, 1938-1939
Fission, the basis of the atomic bomb, was discovered in Nazi Germany less than a year before the beginning of the Second World War.
It was December 1938 when the radiochemists Otto Hahn (right, with Lise Meitner) and Fritz Strassmann, while bombarding elements with neutrons in their Berlin laboratory, made their unexpected discovery.
It soon became clear that the process of fission discovered by Hahn and Strassmann had another important characteristic besides the immediate release of enormous amounts of energy.
www.cfo.doe.gov /me70/manhattan/discovery_fission.htm   (463 words)

  
 NSDL Metadata Record -- A Nobel Tale of Postwar Injustice
This article chronicles the events and reasoning that explain why nuclear physicist Lise Meitner failed to receive a Nobel Prize in 1946 for her work in the discovery of fission.
The authors briefly present an overview of Meitner?s work with Otto Hahn and Fritz Strassmann, and later with her nephew Otto Frisch.
Using official records of the Nobel Prize deliberations, they then review the Nobel committee?s assessments of fission and of how the discovery was made, and they analyze the failures of the committee to properly take into account Meitner?s participation in the discovery.
nsdl.org /mr/441090   (135 words)

  
 Lise Meitner: A Battle for Ultimate Truth   (Site not responding. Last check: 2007-11-05)
Meitner drew Hahn and also Fritz Strassmann into a new collaboration to probe the possibilities.
At her suggestion, Hahn and Strassmann performed further tests on a uranium product they thought was radium.
But the separation of the former collaborators and Lise's scientific and actual exile led to the Nobel committee's failure to understand her part in the work.
www.sdsc.edu /Publications/ScienceWomen/meitner.html   (570 words)

  
 Fritz Strassmann
Fritz Strassman was born in Boppard, Germany, on 22nd February, 1902.
Strassman studied physics at the Technical University at Hannover and received his Ph.D in 1929.
Fritz Strassman died in Mainz, West Germany, on 22nd April, 1980.
www.spartacus.schoolnet.co.uk /2WWstrassmann.htm   (244 words)

  
 The New York Review of Books: LISE MEITNER'S GENIUS
Although Hahn and Strassmann got her Nobel prize, crediting them with Meitner's discovery is like giving credit for a great chef's recipe to the kitchen helper who stirred the pot.
On December 19, 1938, Hahn wrote to her that he and Strassmann had found it impossible to separate one of the radioactive elements produced by the irradiation of uranium with neutrons from barium, an element of only slightly more than half the weight of uranium.
When Meitner's young physicist nephew Otto Robert Frisch came to visit her in Sweden over Christmas, they realized that barium could have been formed only if absorption of a neutron had induced the uranium nucleus to split in half, and they predicted the large amount of energy that would have been released in the process.
www.nybooks.com /articles/2343   (947 words)

  
 Uranium fission   (Site not responding. Last check: 2007-11-05)
Otto Hahn and Fritz Strassmann reported surprising results when they exposed uranium (element 92) to neutrons in 1939.
Lise Mietner and Otto Frisch explained the observation of Hahn and Strassmann by hypothesizing (correctly) that the uranium nucleus was split into two smaller nuclei.
Otto Hahn and Fritz Strassmann, "The Detection and behavior of the alkaline earth metals which result from the irradiation of uranium by neutrons,"
web.lemoyne.edu /~giunta/classicalcs/fission.html   (156 words)

  
 Otto Hahn
were now joined by Fritz Strassmann and discovered that uranium nuclei split when bombarded with neutrons.
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.
When he was released Hahn became president of the Max Planck Society for the Advancement of Science.
www.spartacus.schoolnet.co.uk /GERhahn.htm   (845 words)

  
 Otto-Hahn-Gymnasium Marktredwitz   (Site not responding. Last check: 2007-11-05)
Otto Hahn was born in the German city of Frankfort/Main on March, 8th, 1879.
She went to the Netherlands and from there she emigrated to Sweden and later to Cambridge in England.
In December 1938 Otto Hahn and Fritz Straßmann succeeded in splitting the nucleus of a uranium atom on a simple wooden experimenting table, which can still be seen at the 'Deutsche Museum' in Munich nowadays.
www.ohg-marktredwitz.de /hahn/hahne.htm   (3745 words)

  
 Nuclear Files: Timeline of the Nuclear Age
From Leucippus in 500 BC postulating the theory of atoms and void to Einstein's theory of relativity.
In the 1930's key discoveries are made about the fissioning of atoms by Enrico Fermi, Otto Hahn, Fritz Strassmann and Lise Meitner.
These lay the groundwork for the development of n uclear weapons in the next decade.
www.nuclearfiles.org /menu/timeline/html_index.htm   (380 words)

  
 Niels Bohr - MSN Encarta
He also served as a visiting professor at many universities.
In 1939, recognizing the significance of the fission experiments (see Nuclear Energy: Nuclear Energy from Fission) of German scientists Otto Hahn and Fritz Strassmann, Bohr convinced physicists at a scientific conference in the United States of the importance of those experiments.
He later demonstrated that uranium-235 is the particular isotope of uranium that undergoes nuclear fission.
encarta.msn.com /encnet/refpages/refarticle.aspx?refid=761576813   (518 words)

  
 Fritz Haber Bio
fritz haber, a nobel Prize Laureate in Chemistry, at the nobel PrizeInternet Archive.
fritz haber The nobel Foundation Brief profile of this nobel Prizewinner in Chemistry for the year 1918.
Strassmann (1902—1980) were the first to recognize that the uranium atom under bombardment by neutrons,
members.fortunecity.com /rlhieger/id566.htm   (2768 words)

  
 The Story of the Atom Bomb
Later, Fritz Strassmann (1902-1980) joined the team and together they continued with these experiments.
According to Hahn and Strassmann, the bombardment of uranium with neutrons had split the uranium atom almost in half!
By 1917 she was made head of the physics department of the Kaiser Wilhelm Institute at the time that Otto Hahn was head of its chemistry department.
3rd1000.com /nuclear/cruc18.htm   (10037 words)

  
 Fermium
When his students noted that wooden lab tables increased the ability of neutrons to induce artificial radioactivity, Fermi proposed that only slowed neutrons were absorbed to create heavier atoms.
This led Fermi's team, Marie Curie's team in Paris, and the team of Lise Meitner, Fritz Strassmann, and Otto Hahn in Germany to attempt production of an element heavier than Uranium.
When Strassmann informed Meitner by mail that their product was chemically identical to Barium, she and her nephew, Otto Frisch, proposed fission.
homepage.mac.com /dtrapp/people/Fermium.html   (382 words)

  
 war and social upheaval : World War II NAZI atomic program
Despite a decline in German scientific dominance, the NAZIs still had access to a huge scientific establishment for their weapons and armament program.
German physicists Otto Hahan and Fritz Strassmann at the Kaisser Wilhelm Institute demonstrated the phenomenon of nuclear fission.
Lise Meitner (1878-1968), an eminent scientist who became famous working at the neutron bombardment experiments with Otto Hahn and Fritz Strassmann (who both got the Nobel prize for physics, while Meitner did not).
histclo.com /essay/war/ww2/cou/ger/nazi-abomb.html   (2573 words)

  
 Expt. VI-7 Binding Energy
While neutrons were absorbed creating a radioactive isotope, all teams encountered difficulty chemically identifying the new element produced.
Fritz Strassmann, part of a project started by
Just before Christmas 1938, Hahn wrote that when Strassmann used procedures used to collect elements in the Radium family, he isolated a product with the properties of Barium.
homepage.mac.com /dtrapp/ePhysics.f/labVI_7.html   (4834 words)

  
 TIME.com: Father of Fission -- Aug. 9, 1968 -- Page 1
Hahn's innate caution stopped him from making so bold a claim in public.
"As nuclear chemists," Hahn and his young collaborator, Fritz Strassmann, wrote later, "we cannot bring ourselves to take this step, so contradictory to all the experience of nuclear physics." But Hahn's former coworker, Physicist Lise Meitner, had no such hesitation.
Hearing of the experiment in exile in Sweden, she not only proclaimed that Hahn and Strassmann had achieved nuclear fission, but also calculated that each atom of uranium had released 20 million times as much energy as a comparable amount of TNT.
www.time.com /time/magazine/article/0,9171,902262,00.html   (640 words)

  
 Krafft Fritz Im Schatten der Sensation : Leben und Wirken von Fritz Strassmann dargestellt von Fritz Krafft nach ...   (Site not responding. Last check: 2007-11-05)
Krafft Fritz Im Schatten der Sensation : Leben und Wirken von Fritz Strassmann dargestellt von Fritz Krafft nach Dokumenten und Aufzeichnungen.
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Im Schatten der Sensation : Leben und Wirken von Fritz Strassmann / dargestellt von Fritz Krafft nach Dokumenten und Aufzeichnungen.
www.aip.org /history/catalog/books/14007.html   (82 words)

  
 Otto Hahn, Lise Meitner, and Fritz Strassmann (via CobWeb/3.1 planetlab2.netlab.uky.edu)   (Site not responding. Last check: 2007-11-05)
Otto Hahn, Lise Meitner, and Fritz Strassmann (via CobWeb/3.1 planetlab2.netlab.uky.edu)
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www.chemheritage.org.cob-web.org:8888 /EducationalServices/chemach/ans/hms.html   (32 words)

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