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1824 - Born in Kincardine on Forth on the 20th of September.
1867 - Dewar described several chemical formulae for benzene.
1875 - Dewar became professor at the University of Cambridge.
1877 - Member of London's Royal Institution.
1891 - He discovered a process to produce liquid oxygen in industrial quantities.
1905 - He observed that cold charcoal could produce a vacuum. This technique was quite useful for experiments in atomic physics.
1923 - Died in London on the 27th of March, and his remains were cremated at Golders Green.
1867 - Dewar described several chemical formulae for benzene.
1875 - Dewar became professor at the University of Cambridge.
1877 - Member of London's Royal Institution.
1891 - He discovered a process to produce liquid oxygen in industrial quantities.
1905 - He observed that cold charcoal could produce a vacuum. This technique was quite useful for experiments in atomic physics.
1923 - Died in London on the 27th of March, and his remains were cremated at Golders Green.
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