Rudolf Clausius (Rudolf Julius Emanuel Clausius) was born on January 02, 1822
Clausius was a German physicist and mathematician
He was one of the central founders of the science of thermodynamics
Clausius concluded the Clausius-Clapeyron relation from thermodynamics
In 1865 Clausius gave the first mathematical version of the concept of entropy
In 1870 he received Huygens Medal
In 1883 Clausius got Poncelet Prize
Southwest part of the Moon was named as Clausius
He formulated second law of thermodynamics
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Biography & contributions
Eugene-Anatole Demarcay was born on January 01, 1852
Demarcay was a French chemist
He was a spectrum specialist
In 1896 Demarcay discovered samarium element
In 1901 he isolated europium element
Demarcay provided spectroscopic evidence that Marie and Pierre Curie’s discovery of radium
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Biography & contributions
Clemens Winkler (Clemens Alexander Winkler) was born on December 26, 1838
Winkler was a German chemist
In 1886 he discovered pure germanium
Winkler investigated the analysis of gases
He invented three-way stopcock
Winkler predicted the existence of silicon monoxide
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Biography & contributions
Vladimir Markovnikov (Vladimir Vasilyevich Markovnikov) was born on December 22, 1838
Markovnikov was a Russian chemist.
He is best known for Markovnikov’s rule
Markovnikov found carbon rings with more than six carbon atoms
In 1879 he found carbon ring with four carbon atoms
In 1889 Markovnikov found carbon ring with seven carbon atoms
He discovered that butyric acid and isobutyric acid are isomers
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Biography & contributions
Edgar Bright Wilson was born on December 18, 1908
Wilson was an American chemist
In 1975 he received National Medal of Science
In 1982 Wilson got Elliott Cresson Medal
Wilson developed quantum mechanical Hamiltonian
He developed the theory of rotational spectra
Wilson was a pioneer in the application of microwave spectroscopy to the determination of molecular structure
He pioneered the use of group theory for the analysis
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