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Birth
Neils Bohr was born on 7 October 1885 in Copenhagen, Denmark. -
Won a prize for a science competition
Bohr received a gold medal in 1908 by the Academy of Sciences in Copenhagen for a science competition. For the competition, he conducted an experimental and theoretical investigation of the surface tension by means of oscillating fluid jets. -
Master's Degree in Physics
Bohr earned his Master’s degree in Physics in 1909. -
Doctorate's Degree
Bohr earned his Doctor’s degree in 1911 -
Presented Atomic Structure
In 1912 Bohr did a study of the structure of atoms on the basis of Ernest Rutherford’s discovery of the atomic nucleus. By introducing conceptions from the Quantum Theory by Max Planck, he succeeded in working out and presenting an atomic structure that still serves as an elucidation of the physical and chemical properties of the elements.
Niels Bohr – Biographical. NobelPrize.org. Nobel Media AB 2020. Wed. 23 Dec 2020. https://www.nobelprize.org/prizes/physics/1922/bohr/biographical/ -
Proposed Theory for the Hydrogen Atom
Niels Bohr proposed a theory for the hydrogen atom based on quantum theory that energy is transferred only in certain well defined quantities.
Niels Bohr – Facts. NobelPrize.org. Nobel Media AB 2020. Wed. 23 Dec 2020. https://www.nobelprize.org/prizes/physics/1922/bohr/facts/ -
Appointed as Professor of Theoretical Physics
In 1916 Bohr was appointed Professor of Theoretical Physics at Copenhagen University, and since 1920 (until his death in 1962) he was at the head of the Institute for Theoretical Physics, established for him at that university. -
Won the Nobel Prize in Physics 1922
The Nobel Prize in Physics 1922 was awarded to Niels Henrik David Bohr "for his services in the investigation of the structure of atoms and of the radiation emanating from them."
The Nobel Prize in Physics 1922. NobelPrize.org. Nobel Media AB 2020. Wed. 23 Dec 2020. https://www.nobelprize.org/prizes/physics/1922/summary/ -
Developed the Concept of Complimentarity
Bohr contributed to the clarification of problems encountered in quantum physics by developing the Concept of Complementarity. He showed how changes in physics have affected scientific outlook and how the consequences of this change of attitude reach far beyond the scope of atomic physics and touch upon all of human knowledge.
Niels Bohr – Biographical. NobelPrize.org. Nobel Media AB 2020. Wed. 23 Dec 2020. https://www.nobelprize.org/prizes/physics/1922/bohr/biographical/ -
Liquid Drop Theory
Bohr's theoretical work contributed significantly to scientists' understanding of nuclear fission. According to his liquid droplet theory, a liquid drop provides an accurate representation of an atom's nucleus. This theory was instrumental in the first attempts to split uranium atoms in the 1930s, an important step in the development of the atomic bomb.
https://www.livescience.com/32016-niels-bohr-atomic-theory.html -
Open Letter to the United Nations
Bohr spent the last two years of WWII in England and America, where he was associated with the Atomic Energy Project. He devoted his work to the peaceful application of atomic physics and to political problems arising from the development of atomic weapons. His Open Letter to the United Nations advocated for full openness between nations.
Niels Bohr – Biographical. NobelPrize.org. Nobel Media AB 2020. Wed. 23 Dec 2020. https://www.nobelprize.org/prizes/physics/1922/bohr/biographical/ -
Death
Neils Bohr died from a stroke on 18 November 1962 in Copenhagen, Denmark. A brief summary of Neils Bohr's contributions by Hank Green can be viewed at https://www.youtube.com/watch?v=1b9UKTbjj7I