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Topic: Christian Bohr


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In the News (Fri 27 Nov 09)

  
  Niels Bohr - Wikipedia, the free encyclopedia
His father, Christian Bohr, was a professor of physiology at the University of Copenhagen, while his mother, Ellen Adler Bohr, came from a wealthy Sephardic Jewish family prominent in Danish banking and parliamentary circles.
Based on Rutherford's theories, Bohr published his model of atomic structure in 1913, introducing the theory of electrons traveling in orbits around the atom's nucleus, the chemical properties of the element being largely determined by the number of electrons in the outer orbits.
In 1916, Niels Bohr became a professor at the University of Copenhagen, and director of the newly constructed "Institute of Theoretical Physics" in 1920.
en.wikipedia.org /wiki/Niels_Bohr   (1138 words)

  
 [No title]   (Site not responding. Last check: 2007-10-22)
Bohr argued that the two parts of the duality may appear to be inconsistent, or even in conflict, but that both are necessary to obtain a complete view of particles and waves.
Bohr stated that though it is true that quantum mechanics and relativity are essential to an understanding of phenomena on the atomic scale, any conclusion drawn from these principles must not conflict with th "classical" way the everyday real world behaved.
Bohr theorized that the nucleus could be likened to a liquid droplet, and that the forces that pull together, or attract, protons and neutrons, could be compared to the forces that operate between the molecules that make up the droplet, which was constantly oscillating and changing shape in response to its internal forces.
www.cyburkespace.info /content/nodes/Bohr.txt   (1324 words)

  
 Niels Bohr -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-22)
Bohr was born in (The capital and largest city of Denmark; located on the island of Zealand) Copenhagen in 1885.
Bohr was largely affected by the philosophy of (additional info and facts about Søren Kierkegaard) Søren Kierkegaard of sharp sudden "quality" changes and rejection of the continuous changing.
Bohr also conceived the principle of (The interrelation of reciprocity whereby one thing supplements or depends on the other) complementarity: that items could be separately analyzed as having several contradictory properties.
www.absoluteastronomy.com /encyclopedia/n/ni/niels_bohr.htm   (834 words)

  
 Niels Bohr
Bohr's father, Christian Bohr, professor of physiology at the University of Copenhagen, was known for his work on the physical and chemical aspects of respiration.
Bohr distinguished himself at the University of Copenhagen, winning a gold medal from the Royal Danish Academy of Sciences and Letters for his theoretical analysis of and precise experiments on the vibrations of water jets as a way of determining surface tension.
Bohr was among the first to see the importance of the atomic number, which indicates the position of an element in the periodic table and is equal to the number of natural units of electric charge on the nuclei of its atoms.
www.crystalinks.com /bohr.html   (2000 words)

  
 Bohr_Niels
Christian Bohr was awarded a doctorate in physiology from the University of Copenhagen in 1880 and in 1881 he became a Privatdozent at the university.
Bohr applied to the Carlsberg Foundation for a travel grant in May 1911 and, after the award was made, went to England in September 1911 to study with Sir J J Thomson at Cambridge.
Bohr's other major contributions, in addition to quantum theory, include his theoretical description of the periodic table of elements around 1920, his theory of the atomic nucleus being a compound structure in 1936, and his understanding of uranium fission in terms of the isotope 235 in 1939.
www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Bohr_Niels.html   (2841 words)

  
 Christian Bohr - Wikipedia, the free encyclopedia
Christian Bohr (1855-1911) is the father of the famous Danish physicist Niels Bohr, as well as the famous mathematican Harald Bohr.
He received his medical degree in 1880, and was appointed professor of physiology at the University of Copenhagen in 1886.
In 1904, Christian Bohr described the phenomenon, now called the Bohr effect, whereby hydrogen ions and carbon dioxide heterotropically decrease hemoglobin's oxygen binding affinity.
en.wikipedia.org /wiki/Christian_Bohr   (137 words)

  
 Niels Henrik David Bohr   (Site not responding. Last check: 2007-10-22)
Bohr used Rutherford's findings that an atom is made up of a positively charged nucleus surrounded by negatively charged electrons and proposed that electrons travel in orbits, with the outer orbits holding more electrons than the inner ones.
Bohr is best known for his investigations of the atomic structure and also for his work on radiation, for which he won the Nobel Prize in 1922.
Other contributions that Bohr made included his theoretical description of the periodic table of elements around in 1920, his theory of the atomic nucleus being a compound structure in 1936, and his ideas of uranium fission in terms of the isotope 235 in 1939.
www.ceemast.csupomona.edu /nova/bohr.html   (841 words)

  
 Niels Bohr - Open Encyclopedia   (Site not responding. Last check: 2007-10-22)
In 1916, Bohr became a professor at the University of Copenhagen, and director of the newly constructed "Institute of Theoretical Physics" in 1920.
Bohr was largely affected by the philosophy of Søren Kierkegaard of sharp sudden "quality" changes and rejection of the continuous changing.
These concepts were manifested in Bohr's quantum theory and his developement of the Copenhagen interpretation of quantum mechanics.
open-encyclopedia.com /Niels_Bohr   (896 words)

  
 VIAS Encyclopedia: Niels Bohr   (Site not responding. Last check: 2007-10-22)
Niels Bohr was born on October 7, 1885, in Copenhagen.
She bore five sons altogether, the firstborn, Christian, died in a sailing accident in 1934.
Bohr died on November 18, 1962, in Copenhagen.
www.vias.org /encyclopedia/bio_bohr.html   (258 words)

  
 Niels Bohr - Wikipedia
Born in Copenhagen, Denmark to Christian Bohr and Ellen Adler[?], Bohr got his doctorate at Copenhagen University in 1911.
Based on Rutherford's theories, Bohr published his Bohr model about atom structure in 1913, introducing the theory of electrons travelling on orbits around the atom's nucleus, with the outer orbits holding more electrons than the inner ones, thereby determining the chemical properties of the atom.
Bohr also conceived the principle of complimentarity: that items could be separately analyzed as having several contradictory properties.
wikipedia.findthelinks.com /ni/Niels_Bohr.html   (425 words)

  
 Bohr Paper   (Site not responding. Last check: 2007-10-22)
Christian Bohr was awarded his doctorate in physiology from the University of Copenhagen and cultivated a cultured and stimulating home environment, where Bohr was exposed to “a world of ideas and discussion, of conflicting views rationally and good-temperedly examined,” developing great respect for those seeking deeper knowledge.
Bohr went on to receive his masters and his doctorate from the University of Copenhagen for a thesis entitled Studies on the electron theory of metals, which was based on classical physics and thus failed to explain certain behaviors of metals, providing an ironic sense of foreshadowing.
Bohr’s identification of a ground state explained the abnormal stability of atomic structure, as opposed to his mentor Rutherford’s classically based model that states electrons may be at any distance from the nucleus of the atom.
faculty.augie.edu /~adneilso/Bohr.html   (1555 words)

  
 Bohr, Niels
One of the foremost scientists of the 20th century, Niels Henrik David Bohr was the first to apply the quantum theory, which restricts the energy of a system to certain discrete values, to the problem of atomic and molecular structure.
Bohr was born in Copenhagen on Oct. 7, 1885.
His father, Christian Bohr, professor of physiology at the University of Copenhagen, was known for his work on the physical and chemical aspects of respiration.
www.britannica.com /nobel/macro/5000_79.html   (2274 words)

  
 SparkNotes: Niels Bohr: Summary
With this strong background, Bohr went on to a distinguished career at the University of Copenhagen, where he was awarded the Gold Medal of the Royal Danish Academy of Sciences and Letters for his work on the measurement of surface tension using the vibrations of water jets.
Bohr's proposal that the atom existed only in a discrete set of energy states still remains relevant, known as the Bohr atomic model, though it has been replaced scientifically.
Bohr continued to make substantial contributions to physics throughout his life, theorizing on the compound nucleus, the liquid-drop model, and nuclear fission.
www.sparknotes.com /biography/bohr/summary.html   (695 words)

  
 Denmark - Conditions of Life - Research   (Site not responding. Last check: 2007-10-22)
Niels Bohr was the son of the physiologist Christian Bohr, in whose private laboratory he carried out his first and only experimental work on surface tension, which brought him the gold medal of the University of Copenhagen.
Bohr's eye for the general consequences of atomic power persuaded him to turn to Roosevelt and Churchill, but without success; and in 1950 he published an "Open Letter to the United Nations", in which the idea of an "open world" with the free exchange of knowledge was propounded as a necessary condition for peace.
Bohr's status as one of the unchallenged pioneers of physics led already in 1920 to the establishment of the Copenhagen University's Institute for Theoretical Physics (since 1965 known as the Niels Bohr Institute), which attracted researchers from all over the world.
www.um.dk /Publikationer/UM/English/Denmark/kap3/3-9-7.asp   (1733 words)

  
 Niels Bohr - Biography
Niels Henrik David Bohr was born in Copenhagen on October 7, 1885, as the son of Christian Bohr, Professor of Physiology at Copenhagen University, and his wife Ellen, née Adler.
Bohr's subsequent studies, however, became more and more theoretical in character, his doctor's disputation being a purely theoretical piece of work on the explanation of the properties of the metals with the aid of the electron theory, which remains to this day a classic on the subject.
Bohr's activities in his Institute were since 1930 more and more directed to research on the constitution of the atomic nuclei, and of their transmutations and disintegrations.
nobelprize.org /physics/laureates/1922/bohr-bio.html   (1164 words)

  
 Niels Bohr Homepage
Christian Bohr, his father, was a physiology professor at the University of Copenhagen.
Bohr’s model of the atom proved essentially correct, and he won the Nobel Prize for his quantum theory studies in 1922.
Bohr came up with “complementarity.” This is also called wave-particle duality, which states that certain waves, like light, exhibit characteristics of waves and particles.
www.angelfire.com /scifi/concordiasci/bohr.html   (780 words)

  
 Niels Bohr Biography english version
In 1917 Bohr was elected to the Danish Academy of Sciences and he began to plan for an Institute of Theoretical Physics in Copenhagen.
Bohr thought that his idea of complementarity could play an important role in fields other than quantum physics and he worked on these ideas throughout the ret of his life.
Bohr expressed this view saying : - " Evidence obtained under different experimental conditions cannot be comprehended within a single picture, but must be regarded as complementary in the sense that only the totality of the phenomena exhausts the possible information about the objects.
www.hilliontchernobyl.com /borh_en.htm   (2602 words)

  
 Niels Bohr Birthday
Niels Henrik David Bohr was born in Copenhagen, Denmark on October 7, 1885 to Christian Bohr, a professor of physiology at Copenhagen University, and Ellen Bohr, also known as Adler.
Their father, Christian, was a well-known physiologist and was largely responsible for awakening an interest in physics and math in his children.
Bohr was among the first to see the importance of atomic number, which indicates the position of an element on the periodic table and is equal to the number of protons in the nuclei of atoms.
web.visionlearning.com /events/Bohr_Oct7_2004.htm   (786 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 received his doctorate from Copenhagen University in 1911 and then studied under Ernest Rutherford in the Victoria University in Manchester, England.
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)

  
 biography -- Neils Bohr
Bohr played a major role in understanding the structure of the atom after it was conceptualized by Ernest Rutherford as a dense miniature, nucleus surrounded by a cloud of virtually weightless electrons.
Bohr at this stage did not believe that it was possible to build a bomb before the War ended because of the massivev industrial requirements.
Bohr and his son Aage, also a noted phyicist, left Sweden for London in the empty bomb rack of a RAF Mosquito bomber.
histclo.com /bio/b/bio-bohrn.html   (2464 words)

  
 Bohr_Harald   (Site not responding. Last check: 2007-10-22)
Harald Bohr was a younger brother of Niels Bohr.
Christian Bohr was famous for his work on the physical and chemical aspects of respiration.
Bohr's interest in which functions could be represented by a Dirichlet series led him to devise the theory of almost periodic functions.
www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Bohr_Harald.html   (727 words)

  
 Niels Bohr - Danish Physicist Extraordinaire
Christian Bohr was a professor of physiology at Copenhagen University.
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.
www.suite101.com /article.cfm/biographies_scientists/104948   (455 words)

  
 Niels Bohr
These concepts were manifested in Bohr's quantum theory.
One of Bohr's most famous students was Werner Heisenberg, a crucial figure in the development of quantum mechanics, but also head of the German atomic bomb project.
Niels Bohr and his wife Margrethe had several children, one of whom, Aage Niels Bohr, also became a very successful physicist: like his father, he won a Nobel prize.
www.brainyencyclopedia.com /encyclopedia/n/ni/niels_bohr.html   (795 words)

  
 Niels Henrik David Bohr Biography / Biography of Niels Henrik David Bohr Main Biography
Niels Bohr was born on Oct. 7, 1885, in Copenhagen, the son of Christian Bohr and Ellen Adler Bohr.
It was there that Bohr made some valuable suggestions about the chemical relevance of radioactive decay which proved to be most instrumental in formulating the concept of isotopes.
Bohr's principal interest lay, however, in the planetary model of the atom, which Ru This is a free excerpt.
www.bookrags.com /biography-niels-henrik-david-bohr   (277 words)

  
 SparkNotes: Niels Bohr: Important Terms and People
Bohr atomic model - · The Bohr model stabilized Rutherford's original picture by showing that the atom could exist only in discrete energy states.
Bohr postulated that the nucleus might discharge this excess energy through the emission of radiation.
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   (714 words)

  
 Niels Henrik David Bohr
Using quantum ideas due to Planck and Einstein, Bohr conjectured that an atom could exist only in a discrete set of stable energy states.
Bohr is best known for the investigations of atomic structure referred to above and also for work on radiation, which won him the 1922 Nobel Prize for physics.
Bohr, although he had been christened in the Christian Church, had Jewish origins on his mother's side and so, when the Nazis occupied Denmark in 1940, his life became exceeding difficult.
www.jewishvirtuallibrary.org /jsource/biography/Bohr.html   (2671 words)

  
 Schack August Steenberg Krogh - a versatile genius
Krogh applied to Bohr's department and was accepted as an assistant in the autumn of 1897.
The discovery became known as the Bohr effect but was based entirely on equipment that Krogh had designed, which made it possible to measure the oxygen-binding capacity of blood.
Earlier, Bohr had performed measurements showing that the oxygen content of arterial blood was higher than that of the alveoli in the lungs.
nobelprize.org /medicine/articles/krogh   (4199 words)

  
 30w11bohr1
Neils Bohr was born in Denmark in 1885, the son of a distinguished physiologist, Christian Bohr, and his wife Ellen Adler, who was the daughter of a wealthy Jewish banker.
In Copenhagen, though, Bohr was visited by a friend, Hans Hansen, who asked him what his model had to say about spectra.
Balmer was a Swiss high school teacher who in the year Bohr was born had noted a striking regularity in the frequencies of the spectral lines of hydrogen.
www.pcs.cnu.edu /~gwebb/430w11bohr1.htm   (796 words)

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