James Dewar, Scottish chemist and physicist (b. 1842)
Sir James Dewar (20 September 1842 – 27 March 1923) 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.

1923Mar, 27
James Dewar
Choose Another Date
Events on 1923
- 16Feb
Tutankhamun
Howard Carter unseals the burial chamber of Pharaoh Tutankhamun. - 25Jun
Aerial refueling
Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane - 1Jul
History of Chinese immigration to Canada
The Canadian Parliament suspends all Chinese immigration. - 12Sep
Zimbabwe
Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom. - 29Oct
Ottoman Empire
Turkey becomes a republic following the dissolution of the Ottoman Empire.