41. Encyclopédie De L'Agora | Bohr Niels Dossier sur le physicien danois dans l encyclop die de L Agora. http://agora.qc.ca/mot.nsf/Dossiers/Niels_Bohr

42. Niels Bohr | Physicist DVDs About Niels Bohr; Niels Bohr Images; Niels Bohr Online Videos; Related Websites; Books About Niels Bohr. Suspended In Language Niels Bohr's Life, Discoveries, And The Century He Shaped http://www.lucidcafe.com/library/95oct/nbohr.html

Other Languages French Version German Version Italian Version Spanish Version Serving Coffee, Art, History and Literature Lovers on the World-Wide-Web since 1995 Revised: October 23, 2010 Home: Library: Bohr, Niels Library Categories Rules For Life Historical Documents Important US Court Decisions Great Flying Machines Real Life Adventures American Presidents American Presidents' Wives American Founding Fathers Architects Artists Astronauts Authors Aviation/Aerospace Civil-Rights Activists Entertainers Humanitarians Inventors Journalists Jurists Medicine Military Figures Nobel Prize Winners Philosophers Playwrights Poets Leaders - NIELS BOHR Niels Bohr Physicist, 1885 - 1962 Niels Bohr was born on October 7, 1885 in Copenhagen, Denmark. Bohr made numerous contributions to our understanding of the structure of properties of atoms. He won the 1922 Nobel Prize for physics, chiefly for his work on atomic structure. Bohr received his doctorate in physics from the University of Copenhagen in 1911. He then traveled to Manchester, England to study under Ernest Rutherford In 1913, Bohr published a theory about the structure of the atom based on an earlier theory of Rutherford's. Rutherford had shown that the atom consisted of a positively charged nucleus, with negatively charged electrons in orbit around it. Bohr expanded upon this theory by proposing that electrons travel only in certain successively larger orbits. He suggested that the outer orbits could hold more electrons than the inner ones, and that these outer orbits determine the atom's chemical properties.

43. Niels Bohr Kort biografi om fysikeren, hans atommodel, det periodiske system og kvanteteorien. http://www104.thinkquest.dk/historie/his_bohr.htm

Historisk Niels Henrik David Bohr Niels Bohr tre notater. Disse notater blev et vigtigt led i forskningen omkring kvanteteorien Det Periodiske System kvanteteorien Det Periodiske System ... [Historisk]

44. Bohr, Niels (1885–1962) Summary | BookRags.com Bohr, Niels (1885–1962). Bohr, Niels (1885–1962) summary with 8 pages of encyclopedia entries, research information, and more. http://www.bookrags.com/research/bohr-niels-18851962-eoph/

45. Niels Bohrs Syn På Atombomben Om videnskabsmandens arbejde for benhed og imod atomkapl bet. Af Finn Aaserud. http://www.nba.nbi.dk/files/gym/aaserud.html

Åbent Brev til De Forenede Nationer her , og den danske version som en .pdf fil her

46. Bohr, Niels Henrik David | Define Bohr, Niels Henrik David At Dictionary.com Science Dictionary Bohr (b r) Pronunciation Key Danish physicist who investigated atomic structure and radiation. Bohr discovered that electrons orbit the nucleus of an atom http://dictionary.reference.com/browse/Bohr, Niels Henrik David

47. Discussions With Einstein On Epistemological Problems In Atomic Physics Article from Living Philosophers , by Niels Bohr. http://www.marxists.org/reference/subject/philosophy/works/dk/bohr.htm

Niels Bohr (1949) Discussions with Einstein on Epistemological Problems in Atomic Physics Source : From Albert Einstein: Philosopher-Scientist (1949), publ. Cambridge University Press, 1949. Neils Bohr's report of conversations with Einstein and Einstein's reply. WHEN invited by the Editor of the series, Living Philosophers With unfailing intuition Einstein thus was led step by step to the conclusion that any radiation process involves the emission or absorption of individual light quanta or "photons" with energy and momentum E hf and P hs respectively, where h is Planck's constant, while f and s are the number of vibrations per unit time and the number of waves per unit length, respectively. Notwithstanding its fertility, the idea of the photon implied a quite unforeseen dilemma, since any simple corpuscular picture of radiation would obviously be irreconcilable with interference effects, which present so essential an aspect of radiative phenomena, and which can be described only in terms of a wave picture. The acuteness of the dilemma is stressed by the fact that the interference effects offer our only means of defining the concepts of frequency and wavelength entering into the very expressions for the energy and momentum of the photon. In this situation, there could be no question of attempting a causal analysis of radiative phenomena, but only, by a combined use of the contrasting pictures, to estimate probabilities for the occurrence of the individual radiation processes. However, it is most important to realize that the recourse to probability laws under such circumstances is essentially different in aim from the familiar application of statistical considerations as practical means of accounting for the properties of mechanical systems of great structural complexity. In fact, in quantum physics we are presented not with intricacies of this kind, but with the inability of the classical frame of concepts to comprise the peculiar feature of indivisibility, or "individuality," characterising the elementary processes.

48. NS&T : History : Hall Of Fame : Niels Bohr Niels Bohr (1885 1962) Bohr was a Danish physicist and Nobel laureate, who made basic contributions to nuclear physics and the understanding of atomic structure. http://www.aboutnuclear.org/view.cgi?fC=History,Hall_of_Fame,Niels_Bohr

49. Bohr Niels Henrik David - Definition Of Bohr Niels Henrik David By The Free Onli Bohr (b r), Niels Henrik David 18851962. Danish physicist who investigated atomic structure and radiation. Bohr discovered that electrons orbit the nucleus of an atom at set http://www.thefreedictionary.com/Bohr Niels Henrik David

50. Bohr Niels Henrik David: Free Encyclopedia Articles At Questia.com Online Librar Research Bohr Niels Henrik David and other related topics by using the free encyclopedia at the Questia.com online library. http://www.questia.com/library/encyclopedia/101233398

51. Niels Bohr Biography From Who2.com Name at birth Niels Henrik David Bohr. Niels Bohr was the Danish physicist whose investigations of atomic structure earned him the 1922 Nobel Prize for physics. http://www.who2.com/nielsbohr.html

@import url("/css/standard_delta.css"); Find Famous People Fast! Who2 FAQ Who2 Blog For Students Contact Who2 Browse Bios: A B C D ... Share on Facebook Niels Bohr Biography Physicist Name at birth: Niels Henrik David Bohr Niels Bohr was the Danish physicist whose investigations of atomic structure earned him the 1922 Nobel Prize for physics. Bohr's work helped solve the problems classical physics could not explain about the nuclear model of the atom. He postulated that electrons moved in fixed orbits around the atom's nucleus, and he explained how they emitted or absorbed energy. Bohr attended the University of Copenhagen (1903-11), then studied for a time under Ernest Rutherford in Manchester, England. By 1916 he was back at the University of Copenhagen as a professor of physics, and in 1920 he became the first director of the Institute of Theoretical Physics. 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 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

52. Bohr, Niels Henrik David - Hutchinson Encyclopedia Article About Bohr, Niels Henrik David (1885–1962) Danish physicist who was awarded the Nobel Prize for Physics in 1922 for his discovery of the structure of atoms and the radiation http://encyclopedia.farlex.com/Bohr, Niels Henrik David

53. Bohr, Niels (1885-1962): World Of Earth Science Danish physicist. Niels Bohr received the Nobel Prize in physics in 1922 for the quantum mechanical model of the atom that he had developed a decade earlier, the most http://www.enotes.com/earth-science/bohr-niels

54. Bohr, Niels Photos Photo Wall Bohr, Niels Back to author view. Niels Henrik David Bohr (October 7, 1885 November 18, 1962) was a JewishDanish physicist who made essential contributions to http://www.quotationsbook.com/author/photos/819/

@import "/assets/css/screen/style.css"; Register Get Quotes of the Day Buy Inspiring Gifts Advanced ... Village Your Quotes Login username: Password: Forgotten? or Register Photo Wall: Bohr, Niels Post your version Are you not seeing any photos below? Search for more photos: Wikimedia images for Bohr, Niels Yahoo! Images for Bohr, Niels Niels Bohr The Niels Bohr Institute at the University of Copenhagen Paul Ehrenfest, Hendrik Lorentz, Niels Bohr, and Heike Kamerlingh Onnes (1919) Bohr and Ehrenfest with Paul Jr. at the railroad station of Leiden Solvay Conference 1927 Sixth Solvay Conference on Physics, Brussels, 1930. Copenhagen spring conference 1932 Solvay Conference 1933 Date of photo unknown. Niels Bohr, Date 1935, place Copenhagen Niels Bohr Niels Bohr's grave The Niels Bohr Institute at the University of Copenhagen Paul Ehrenfest, Hendrik Lorentz, Niels Bohr, and Heike Kamerlingh Onnes (1919) Bohr and Ehrenfest with Paul Jr. at the railroad station of Leiden Solvay Conference 1927 Sixth Solvay Conference on Physics, Brussels, 1930. Copenhagen spring conference 1932 Solvay Conference 1933 Date of photo unknown.

55. Niels Henrik David Bohr — Infoplease.com Encyclopedia Bohr, Niels Henrik David. Bohr, Niels Henrik David (nēls hăn' rēk d�'vē thstrok; b�r) , 1885–1962, Danish physicist, one of the foremost scientists of modern http://www.infoplease.com/ce6/people/A0808132.html

56. Bohr, Niels Henrik David Definition Of Bohr, Niels Henrik David In The Free Onli Bohr, Niels Henrik David (nēls hăn` rēk d�`vē th b�r), 1885–1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of http://encyclopedia2.thefreedictionary.com/Bohr, Niels Henrik David

57. Bohr, Niels Hendrik David - Definition Of Bohr, Niels Hendrik David By The Free Bohr (b r, b r), Niels Henrik David 18851962. Danish physicist. He won a 1922 Nobel Prize for investigating atomic structure and radiations. His son Aage Niels Bohr (born http://www.thefreedictionary.com/Bohr, Niels Hendrik David

58. Niels Henrik David Bohr Niels Henrik David Bohr . Niels Bohr was born on October 7, 1885, in Copenhagen, Denmark. His father was the internationally famous physiologist Professor Christian Bohr who http://www.csupomona.edu/~nova/scientists/articles/bohr.html

Niels Henrik David Bohr Niels Bohr was born on October 7, 1885, in Copenhagen, Denmark. His father was the internationally famous physiologist Professor Christian Bohr who was born in 1855 and was the son of a headmaster, later professor, H.G.C. Bohr and his wife n6e Rimestad. Christian Bohr received a medical degree in 1878, but never practiced as a doctor. Originally Christian wanted to be a zoologist, but Japetus Steenstrup convinced his to become a doctor first. He may have felt that Christian's abilities and interest lay more in the exact than in the purely descriptive scientific disciplines. At the age of 22, Christian Bohr wrote his first scientific work, and three years later, he defended his thesis for the degree of Doctor or Philosophy at the University of Copenhagen. Bohr returned to Copenhagen, in 1912 and continued to develop his theory of the atom. He completed his work in 1913. That same year he published three papers of great importance on the theory of the atom that influenced Einstein and other scientists. The first paper was on the hydrogen atom. The next two papers were on the structure of atoms that were heavier than hydrogen. During World War II, the Nazis occupied Denmark. Bohr was of Jewish origins so he escaped with his family by taking a fishing boat to Sweden in 1943. From there he went to England and began working on the nuclear fission bomb. Later he went to the US where he continued to work on it. Niels married Margrethe Norlund in 1912. They had a very happy marriage. They had their first child, Christian, in 1916. In the 1920s they had four more sons, Hans, Erik, Aage, and Ernest. Niels was a great father and a great person.

59. Bohr, Niels Henrik David (1885-1962) Danish physicist who was a major developer of quantum theory. He was the first person to apply it with success to the problem of atomic structure (see Bohr atom). http://www.daviddarling.info/encyclopedia/B/Bohr.html

PHYSICISTS A B C ... CONTACT entire Web this site Danish physicist who was a major developer of quantum theory . He was the first person to apply it with success to the problem of atomic structure (see Bohr atom Bohr worked in Britain with J. J. Thomson at Cambridge and Ernest Rutherford at Manchester before returning in 1916 to teach theoretical physics at the University of Copenhagen. He escaped from German-occupied Denmark during World War 2 and worked briefly on developing the atom bomb in the United States. He later returned to Copenhagen and worked for international cooperation. Bohr used the quantum theory to explain the hydrogen spectrum and in the 1920s helped develop the so-called Copenhagen Interpretation. He was awarded the 1922 Nobel Prize in Physics for his work on atomic structure. During the 1930s his Institute of Theoretical Physics in Copenhagen became a haven for many Jewish and other physicists expelled by Hitler. In 1939 he took news of Lise Meitner 's and Otoo Hahn 's uranium fission work to the United States and started the process that culminated in the manufacture of the atomic bomb . Bohr himself later worked at Los Alamos on the bomb, after escaping from German-occupied Denmark. A fervent advocate of atomic energy for peaceful uses, he organized the first Atoms for Peace Conference in 1955; in 1957 received the first Atoms for Peace Award.

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