John Canton
John Canton (July 13rd 1718 - March 22nd 1772) is a British physicist .
Canton is born with Stroud in the Gloucestershire. At the 19 years age it is engaged like apprentice by a schoolmaster to London during five years. At the end of this period he becomes his associate. In 1750 it reads in front of the Royal Society a paper in which it describes a method to create artificial Aimant S. This reading makes it elect member of this Learned society which decrees the to him Médaille Copley in 1751 and again in 1764. It is the first in Great Britain to check the assumption of Benjamin Franklin on the identity between the Foudre and the electricity.
In 1762 and 1764 it publishes experimental results to refute the decision of the academy florentine, at the time generally accepted, according to which the Eau is incompressible. In 1768 it describes the preparation, by calcination of oyster shells with Soufre, of a phosphorescent material called phosphorus of Canton sometimes (Sulfure of calcium, CaS).
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