186 Britain's Heritage of Science 



ninety-three; but some authorities believe in the existence 

 of two further elements lighter than helium. 



Moseley's magnificent researches came to a sudden and 

 tragic end. On the threshold of a career of singular promise, 

 looking towards a future pregnant with discoveries that 

 could not fail to fall to his genius and enthusiasm, he answered 

 the call to arms at the outbreak of the war; and a Turkish 

 bullet cut short a life precious to the peaceful glory of his 

 country, but gladly surrendered in its hour of need. That 

 also is a heritage which will go down to posterity. 



