James Dewar
Scottish chemist and physicist (1842-1923) · United Kingdom · On the map · Scientists · Died at 80
Sir James Dewar was a Scottish chemist and physicist. He is best known for his invention of the vacuum flask, which he used in conjunction for his research into the liquefaction of gases. He also studied atomic and molecular spectroscopy, working in these fields for more than 25 years.
James Dewar is read about 94 times a day, in 53 languages.
A typical day, 30 days to 16 September 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
Something wrong?A life in dates
1923Died27 March 19231919Franklin MedalAward1916Copley MedalAward1909Davy MedalAward1908Albert MedalAward1906Matteucci MedalAward1904Knight BachelorAwardLavoisier MedalAward1901Royal Society Bakerian MedalAward1899Hodgkins MedalAward1894Rumford MedalAward1877Fellow of the Royal SocietyAward1842Born20 September 1842
People around James
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Photos 6
James Dewar in the Royal Institution in London, around 1900
Seven possible isomers of benzene, as proposed by Dewar
Dewar's vacuum flask in the museum of the Royal Institution
Sir James Dewar's ashes at Golders Green Crematorium
Portrait of Dewar by René le Brun, Comte de L'Hôpital, in the collection of the Royal Society of ChemistryAwards
About this person
Dewar was nominated for the Nobel Prize 8 times - 5 times in Physics and 3 times in Chemistry - but he was never so honoured.
Country
United Kingdom
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1842 to 1923 · aged 80
In common with James
Edward Victor AppletonBoth received Gunning Victoria Jubilee Prize
Pierre-Gilles de GennesBoth received Matteucci Medal
William Henry PerkinBoth received Lavoisier Medal
Henry Louis Le ChatelierBoth received Davy Medal
Cyril Norman HinshelwoodBoth received Davy Medal
Henry MoseleyBoth received Matteucci Medal