John Arnold Cranston, Date of Birth, Place of Birth, Date of Death
TweetJohn Arnold Cranston
Date of Birth: 15-Aug-1891
Place of Birth: Shanghai, China
Date of Death: 25-Apr-1972
Profession: chemist
Zodiac Sign: Leo 
About John Arnold Cranston
- Dr John Arnold Cranston FRSE FRIC LLD (15 August 1891 – 25 April 1972) was a Scottish research chemist.
- He is credited with the development of isotopes and also the co-discovery of Protactinium (element 91).
- However this credit was claimed by others, not himself directly, and only caused controversy in the scientific world after the publishing of his obituary.
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