John Dixon Gibbs (1834–1912) was a British engineer and financier who, together with Lucien Gaulard, is often credited as the co-inventor of the AC step-down transformer.
[2] Although he is usually credited equally with Gaulard, Gibb's role in the invention appears to have been more that of a financial backer and businessman.
[4] In 1885 Ottó Bláthy, Miksa Déri and Károly Zipernowsky secured a patent on a similar design, using laminated sheets of metal to reduce eddy currents.
Information on an exhibition of Gibbs and Gaulard's transformer in Turin, Italy in 1884 was published in 1885 and caught the attention of George Westinghouse.
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