English chemist, Michael Faraday discovers the influence of a magnetic field on polarized light; named the "Faraday effect". Among his many interests, Faraday was also active in what would now be called environmental science, or engineering.
He investigated industrial pollution at Swansea and was consulted on air pollution at the Royal Mint. In July 1855, Faraday wrote a letter to The Times on the subject of the foul condition of the River Thames, which resulted in an often-reprinted cartoon in Punch. More
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