xvi BIOGKAPHICAL NOTES 



1898 Discovery of neon, krypton and xenon. 

 1900-1901 To India. 



1902 K.C.B. 



1903 Kecognition of helium as product of the disintegration of 



radium emanation. 

 President of the Society of Chemical Industry. 



1904 Awarded the Nobel Prize for Chemistry. 

 President of the Society of Chemical Industry. 



1905 Discovery of radio-thorium. 

 1907-8 President of the Chemical Society. 

 1908-9 President of the Chemical Society. 



1909 President of the International Congress of Applied Chemistry. 



1910 Determination of density of niton (radium emanation). 



1911 President of the British Association. 



1912 Ketires from Chair at University College. 

 1916 Last communication to the Koyal Society. 



Death, 23rd July. 



