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James Dewar

James Dewar
James Dewar, Scottish-English chemist and physicist (d. 1923)

Sir James Dewar was a British chemist and physicist. He is best known for his invention of the vacuum flask, which he used in conjunction with research into the liquefaction of gases. He also studied atomic and molecular spectroscopy, working in these fields for more than 25 years.

20 September 1842

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Born in the same month (September 1842): Abdul Hamid II • Alphonse François Renard • Johannes Zukertort • John H. Bankhead