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Topic: Aage Bohr


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In the News (Fri 27 Nov 09)

  
  Aage Niels Bohr
Bohr was educated at the University of Copenhagen, where he received his doctorate in 1954.
During the 1940s he worked as assistant to his father, Niels Bohr (1922 Nobel physics laureate), on the development of the atomic bomb at Los Alamos, N.M. From 1946 he was associated with the Niels Bohr Institute of Theoretical Physics, founded in Copenhagen by his father, whom he succeeded as director from 1963 to 1970.
From experiments inspired by the theories of James Rainwater and conducted in collaboration with Ben R. Mottelson in the early 1950s, Bohr discovered that the motion of subatomic particles can distort the shape of the nucleus, thus challenging the widely accepted theory that all nuclei are perfectly spherical.
physics.nobel.brainparad.com /aage_niels_bohr.html   (213 words)

  
  Aage Niels Bohr Summary
Bohr's father was director of the Institute for Theoretical Physics in Copenhagen and instrumental in the development of the Manhattan Project (the U.S. secret program to build the atom bomb during World War II), which the younger Bohr also contributed to as his father's secretary and lab assistant.
Bohr's physics education was interrupted by the invasion of Denmark by German forces in 1940.
Aage Niels Bohr (born in Copenhagen, Denmark on June 19, 1922) is the son of Margrethe and Niels Bohr.
www.bookrags.com /Aage_Niels_Bohr   (1025 words)

  
  BOHR  Niels - ENGLISH
Niels Bohr was born in Copenhagen in Denmark in 1885.
Bohr studied at J. Thomson´s Cavendish Laboratory and at Rutherford´s laboratory.
Aage Bohr, Neil´s son was awarded the Nobel Prize for physics in 1975.
www.volny.cz /michal_bachman/bohren.htm   (167 words)

  
 BOHR, Aage Niels   (Site not responding. Last check: )
Ben R. Mottelson, which led to their fundamental discovery that was known as the collective motion theory of the atomic nucleus.
Bohr's doctoral thesis (1954) at the University of Copenhagen also dealt with this theory, which helped to explain many nuclear properties by showing that nuclear particles can vibrate and rotate so as to distort the shape of the nucleus from the expected spherical symmetry into an ellipsoid.
In 1963, Bohr became director of the Institute for Theoretical Physics in Copenhagen (renamed the Niels Bohr Institute in 1965, in honor of his father who had died in 1962).
www.history.com /encyclopedia.do?articleId=203292   (391 words)

  
 AAGE BOHR : Encyclopedia Entry
Aage Niels Bohr is the son of noted physicist Niels Bohr.
Aage Niels Bohr (IPA: [ˈɔːʊ̯̩ nels ˈb̥oɐ̯ˀ]) (born June 19, 1922 in Copenhagen) is a Danish physicist and the son of Margrethe and Niels Bohr.
In 1946, he became an associate at the Niels Bohr Institute of Theoretical Physics at the University of Copenhagen.
www.bibleocean.com /OmniDefinition/Aage_Bohr   (183 words)

  
 NEW ON THE SEPP WEB
For Bohr his old friend Heisenberg was now a representative of an enemy country, of the occupying power of his native Denmark, whose remarks would have to be looked upon with suspicion.
Heisenberg was under the impression that Bohr and he, having differing recollections of their discussion, had come to the conclusion that it would be best to let rest the spirits of the past.
Mentioning to Bohr the existence of a German nuclear programme and of his involvement in it, could be interpreted, and probably was, treason punishable by death.
www.his.com /~sepp/Archive/NewSEPP/Heisenberg-Bohr.htm   (2447 words)

  
 Bohr, Niels
Niels Bohr studied at the University of Copenhagen and earned a master of science degree in 1909 and a doctorate degree in 1911 (at the age of twenty-six).
With this theory Bohr combined the atomic model of Rutherford with existing quantum theory, and he made it clear that classical physics was not sufficient to describe atoms or their behaviors.
Niels Bohr was one of the greatest scientists of the twentieth century.
www.chemistryexplained.com /Ar-Bo/Bohr-Niels.html   (591 words)

  
 Niels Bohr | Biography | atomicarchive.com
Niels Henrik David Bohr was born in Copenhagen in 1885 to Christian Bohr, a professor of physiology at the University of Copenhagen and a Nobel Prize winner, and Ellen Adler Bohr, who came from a wealthy Sephardic Jewish family prominent in Danish banking and parliamentary circles.
Bohr also introduced the idea that an electron could drop from a higher-energy orbit to a lower one, emitting a photon (light quantum) of discrete energy.
After 1930, Bohr's activities in his Institute were focused on research on the constitution of the atomic nuclei and of their transmutations and disintegrations.
www.atomicarchive.com /Bios/Bohr.shtml   (456 words)

  
 Aage N. Bohr - Autobiography
I was born in Copenhagen on June 19, 1922, as the fourth son of Niels Bohr and Margrethe Bohr (née Nørlund).
I have been connected with the Niels Bohr Institute since the completion of my university studies, first as a research fellow and from 1956 as a professor of physics at the University of Copenhagen.
The other concerns the promotion of international cooperation as a vital factor in the development of science itself and also as a means to strengthen the mutual knowledge and understanding between nations.
nobelprize.org /nobel_prizes/physics/laureates/1975/bohr-autobio.html   (878 words)

  
 Heisenberg's Visit: An Exchange - The New York Review of Books
Bohr's son Aage, who was his father's confidant at the time, has categorically denied that his father was given such a drawing, while others such as Thomas Powers are persuaded that Aage Bohr was wrong and that indeed such a drawing was given to his father.
Bohr's response is undated, but after declining the invitation he explained to Chadwick that, in his view, the practical use of nuclear energy was in the foreseeable future impossible.
Aage Bohr is probably the last person living who could usefully expand on the record to help explain what was discussed by the two men, what Heisenberg said or wanted, why the elder Bohr remained so angry, and why he chose to say nothing of the reasons for his anger.
www.nybooks.com /articles/14532   (1600 words)

  
 Niels Bohr - Danish Physicist Extraordinaire
His other research included the principle of complementarity, a theoretical description of the periodic table of elements, a theory of the atomic nucleus as a compound structure, and the function of the isotope 235 in uranium fission.
Bohr learned from Lise Meitner, who had fled Nazi Germany, that the Germans were trying to split the atom.
Bohr was very concerned about the possible catastrophic effects of the nuclear warfare, and in 1950 he wrote an "Open Letter to the United Nations" in which he urged that the weapons be placed under international control.
www.suite101.com /article.cfm/biographies_scientists/104948/2   (434 words)

  
 Niels Bohr Biography (Physicist) — Infoplease.com
Bohr attended the University of Copenhagen (1903-11), then studied for a time under Ernest Rutherford in Manchester, England.
Bohr's Institute became a gathering place for the world's top physicists, and he is considered one of the foremost scientists of modern physics, along with Albert Einstein, Erwin Schrödinger and Enrico Fermi.
During World War II Bohr avoided Adolf Hitler's army and left Denmark in 1943; he ended up in the United States and was sent to Los Alamos, New Mexico to join Robert Oppenheimer and others working to develop the atomic bomb.
www.infoplease.com /biography/var/nielsbohr.html   (435 words)

  
 Niels Bohr: The Atomic Bomb and Beyond
But Bohr was also one of the most foresighted of men, and one of the few who not only thought ahead about the post-World War II implications of the atomic bomb but who personally urged President Franklin Roosevelt and Prime Minister Winston Churchill to prepare for the nuclear future.
Bohr became one of the key fission researchers, determining in 1939 that the rare U-235 isotope was the isotope that made uranium fissionable and which made a chain reaction theoretically possible.
Bohr was surprised; he later wrote: "...it was a revelation to me to learn...about the advanced stage the work had already reached" (J. Robert Oppenheimer papers, Box 34, Bohr memorandum to President Roosevelt, July 3rd, 1944, Library of Congress).
www.doug-long.com /bohr.htm   (1791 words)

  
 A Science Odyssey: People and Discoveries: Niels Bohr
Niels Bohr was born and educated in Copenhagen, Denmark.
Bohr remained director of the institute for the rest of his life, except for his absence during World War II.
Bohr's personal warmth, good humor ("Never express yourself more clearly than you can think," he once said), and hospitality combined with world events to make Copenhagen a refuge for many of the century's greatest physicists.
www.pbs.org /wgbh/aso/databank/entries/bpbohr.html   (705 words)

  
 [No title]
To have given Bohr this drawing, he argued, was for Heisenberg a traitorous act-an act of betrayal and sabotage.
Aage said in no uncertain terms that the notion that Heisenberg gave Bohr a drawing during his visit in 1941, was pure fiction.
Bohr escaped to Sweden with his family and on October 5 he was flown alone to Scotland.
www.ashp.cuny.edu /nml/artsci/bernstein.htm   (7288 words)

  
 Niels Bohr - Danish Physicist Extraordinaire
Bohr's sister was Jenny and his younger brother was Harald (who would win an Olympic silver medal in soccer and become a professor of mathematics).
Bohr received a master's degree in physics in 1909, and a doctor's degree in 1911.
Bohr and Thomson were not well suited to each other, so after a few months, Bohr changed to Victoria University in Manchester (University of Manchester) working with Ernest Rutherford.
www.suite101.com /article.cfm/biographies_scientists/104948   (427 words)

  
 AllRefer.com - Aage Niels Bohr (Physics, Biography) - Encyclopedia
Aage Niels Bohr[Agu nEls bOr] Pronunciation Key, 1922–;, Danish physicist, Ph.D. Univ. of Copenhagen, 1954.
He worked with his father Niels Bohr (who won the Nobel Prize in Physics in 1922) in the 1940s on the development of the atomic bomb and succeeded (1963) him as director of the Niels Bohr Institute of Theoretical Physics.
Bohr and colleague Benjamin Mottelson helped prove the theories of James Rainwater regarding the structure of atomic nuclei.
reference.allrefer.com /encyclopedia/B/Bohr-Aag.html   (198 words)

  
 Bohr Aage Niels - Search Results - MSN Encarta
Bohr, Aage Niels, born in 1922, Danish physicist and Nobel laureate, born in Copenhagen.
The son of Niels Bohr, he assisted his father on the atomic...
Bohr, Niels Henrik David (1885-1962), Danish physicist and Nobel laureate, who made basic contributions to nuclear physics and the understanding of...
ca.encarta.msn.com /Bohr_Aage_Niels.html   (86 words)

  
 Highbeam Encyclopedia - Search Results for Aage
With Benjamin Mottelson and James Rainwater, Bohr shared the 1975 Nobel Prize in physics for devising a “collective model” of the atomic nucleus that assumes the collective vibration of all nucleons and...
Mottelson and colleague Aage Bohr helped prove the theories of James Rainwater regarding the structure of atomic nuclei.
His theory that not all atomic nuclei are spherical was verified experimentally by Danish physicists Aage N. Bohr and...
www.encyclopedia.com /SearchResults.aspx?Q=Aage   (604 words)

  
 [No title]
To have given Bohr this drawing, he argued, was for Heisenberg a traitorous act-an act of betrayal and sabotage.
Aage said in no uncertain terms that the notion that Heisenberg gave Bohr a drawing during his visit in 1941, was pure fiction.
Bohr escaped to Sweden with his family and on October 5 he was flown alone to Scotland.
web.gc.cuny.edu /sciart/copenhagen/bernstein.htm   (7288 words)

  
 Details of Nazis' A-Bomb Program Surface   (Site not responding. Last check: )
Aaserud is one of the few people outside the Bohr family who have seen the letter, which may be the only way to learn what happened at a meeting that is one of history's enduring mysteries.
Bohr died in 1962, and Heisenberg died in 1976; both were Nobel laureates and considered among the greatest physicists.
The only other living person outside the Bohr family known to have read the letter is Dr. Gerald Holton, an emeritus professor of physics and the history of science at Harvard.
www-personal.umich.edu /~sanders/214/other/news/010702BohrLetter.html   (716 words)

  
 Physics Today October 2004- Quantum World Is Only Smoke and Mirrors
Although "quantum world" was not part of Bohr's terminology, we can imagine that he might have responded as indicated to the question posed.
We see the statement in relation to his basic view that the algorithm of quantum mechanics is a purely symbolic formalism accounting for observations that are obtained under specified conditions.
The theory, exclusively concerned with probability distributions of genuinely fortuitous clicks, thus differs from previous physical theories in that it does not deal with objects to be measured- which eliminates the issue of a quantum world.
www.physicstoday.org /vol-57/iss-10/p15.html   (926 words)

  
 Heisenberg in Copenhagen: An Exchange - The New York Review of Books
I think that Aage Bohr is right and that the drawing came to his father from someone else in the project—there were other visitors to Copenhagen—and not from Heisenberg.
Bohr by that time had convinced himself that Heisenberg might be planning some sort of weapon using slow neutrons but Bethe, Edward Teller, and others wrote up a paper, submitted to General Leslie Groves, dismissing Bohr's theory as unworkable.
My own view is that Heisenberg, finding Bohr in 1941 initially skeptical that anyone could build a bomb, drew the sketch in order to explain the manufacture of a new fissionable element (plutonium) as a way of convincing Bohr that the practical difficulties were not as great as he had hoped.
www.nybooks.com /articles/14065   (3472 words)

  
 SparkNotes: Niels Bohr: Important Terms and People
Bohr postulated that the nucleus might discharge this excess energy through the emission of radiation.
Aage Bohr - Bohr's fourth son, who accompanied him to Los Alamos and became his assistant before going on to his own career in theoretical physics.
Bohr went to Cambridge with the hope of working with Thomson, but found him less interested than he had hoped.
www.sparknotes.com /biography/bohr/terms.html   (715 words)

  
 STENO MUSEET   (Site not responding. Last check: )
Som søn af Niels Bohr mødte han mange af tidens førende fysikere.
I 1956 blev Aage Bohr professor ved Institut for teoretisk Fysik (nu Niels Bohr Institutet).
Bohr og Mottelson mente selv, at det var lidt tilfældigt, hvem der fik nobelprisen.
www.stenomuseet.dk /saerud/nobel-aagebohr.htm   (421 words)

  
 Thanks for invitation
Although Bohr was naturally alarmed by this information, there is no basis, neither in Aage Bohr’s article nor in the documents themselves, for concluding that Heisenberg brought up the question of the atomic bomb as part of some kind of spying mission for the German government.
Indeed, it was such a claim that Bohr understood Heisenberg to make in his letter to the author Robert Jungk, and it was upon reading Jungk’s book containing an extract of this letter that Bohr felt compelled to write the first of several unsent letters to Heisenberg.
Bohr himself seems quite aware of this, as the draft letters are not formulated as a final statement, but rather as a plea to Heisenberg for a shared discussion to reach a better understanding.
web.gc.cuny.edu /sciart/copenhagen/aaserud.htm   (2030 words)

  
 Secret letters cast light on Copenhagen (November 2001) - Physics World - PhysicsWeb
Bohr was a stickler for writing down everything he worked on, and he may not have intended to send the drafts at all.
The decision to release the material was announced at a conference on drama and the history of science that was held in Copenhagen at the end of September, exactly 60 years after the war-time meeting.
This is Aage Bohr's account of the matter, and to a large extent I agree with that." Indeed, Aaserud is convinced that Aage Bohr had seen the documents when he wrote the paper.
physicsweb.org /article/world/14/11/2   (1113 words)

  
 Aage Niels Bohr at AllExperts
Aage Niels Bohr (born June 19 1922 in Copenhagen) is a Danish physicist and the son of Margrethe and Niels Bohr.
In 1946 he became an associate at the Niels Bohr Institute of Theoretical Physics at the University of Copenhagen.
In 1948 Bohr worked with Ben Mottelson and Leo James Rainwater in Copenhagen to summarize the current knowledge of nuclear structure in a monograph.
en.allexperts.com /e/a/aa/aage_niels_bohr.htm   (234 words)

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