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Signature. Niels Henrik David Bohr (Danish: [ˈne̝ls ˈpoɐ̯ˀ]; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.
Founder of atomism in cosmology. Atomic theory (modern) Father Roger Boscovich (1711–1787) [59] First coherent description of atomic theory. John Dalton (1766–1844) [60] First scientific description of the atom as a building block for more complex structures.
Antoine-Laurent de Lavoisier (/ l ə ˈ v w ɑː z i eɪ / lə-VWAH-zee-ay; [1] [2] [3] French: [ɑ̃twan lɔʁɑ̃ də lavwazje]; 26 August 1743 – 8 May 1794), [4] also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.
Max Karl Ernst Ludwig Planck ForMemRS [ 1 ] (/ ˈplæŋk /; [ 2 ]German: [maks ˈplaŋk] ⓘ; [ 3 ] 23 April 1858 – 4 October 1947) was a German theoretical physicist whose discovery of energy quanta won him the Nobel Prize in Physics in 1918.
Modern atomic theory is not based on these old concepts. [2] [3] In the early 19th century, the scientist John Dalton noticed that chemical substances seemed to combine with each other by discrete and consistent units of weight, and he decided to use the word atom to refer to these units. [4]
Modern plaque marking birthplace of John Dalton. John Dalton was born on 5 or 6 September 1766 into a Quaker family in Eaglesfield, near Cockermouth, in Cumberland, England. [ 3 ][ 4 ] His father was a weaver. [ 5 ] He received his early education from his father and from Quaker John Fletcher, who ran a private school in the nearby village of ...
Werner Karl Heisenberg (/ ˈhaɪzənbɜːrɡ /; [ 2 ]German: [ˈvɛʁnɐ kaʁl ˈhaɪzn̩bɛʁk] ⓘ; 5 December 1901 – 1 February 1976) [ 3 ] was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics, and a principal scientist in the Nazi nuclear weapons program during World War II.
Family background. Von Neumann was born in Budapest, Kingdom of Hungary (then part of the Austro-Hungarian Empire), [13][14][15] on December 28, 1903, to a wealthy, non-observant Jewish family. His birth name was Neumann János Lajos. In Hungarian, the family name comes first, and his given names are equivalent to John Louis in English.