louis Pasteur and sir James Dewar
Born, birthplace, invention
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Answer:
1. James Dewar - Biography from Scientific American (1910) Scottish chemist and physicist whose research with materials at low-temperature led him to devise the Dewar vacuum-insulated double-walled flask, now familiar as the thermos bottle. He also was a co-inventor of cordite smokeless explosive powder.
2. Louis Pasteur was a French biologist, microbiologist and chemist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization. He is remembered for his remarkable breakthroughs in the causes and prevention of diseases, and his discoveries have saved many lives ever since.
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Answer:
Louis Pasteur
Born : 27 Dec 1822
birthplace :Dole, Jurassic, France
invention : Pasteurisation, 1862
Sir James Dewar
born : 20 July 1836
birthplace : London, United Kingdom
invention : the vacuum flaat, 1892