John Hopkinson, Date of Birth, Place of Birth, Date of Death

John Hopkinson

British physicist and electrical engineer

Date of Birth: 27-Jul-1849

Place of Birth: Manchester, England, United Kingdom

Date of Death: 27-Aug-1898

Profession: engineer, physicist, mathematician

Zodiac Sign: Leo

John Hopkinson, FRS, (27 July 1849 – 27 August 1898) was a British physicist, electrical engineer, Fellow of the Royal Society and President of the IEE (now the IET) twice in 1890 and 1896.
He invented the three-wire (three-phase) system for the distribution of electrical power, for which he was granted a patent in 1882.
He also worked in many areas of electromagnetism and electrostatics, and in 1890 was appointed professor of electrical engineering at King's College London, where he was also director of the Siemens Laboratory.Hopkinson's law, the magnetic counterpart to Ohm's law, is named after him.