James Alfred Ewing

Thinkers1855 to 1935Physicist and engineer

Works

  • On the Production of Transient Electric Currents in Iron and Steel Conductors by Twisting Them When Magnetised or by Magnetising Them When Twisted, Proceedings of the Royal Society of London 33, 1881

In Thinking Tools

Known for

A Scottish physicist and engineer who, while teaching in Tokyo, studied how the magnetization of iron lags behind the force applied to it, and coined the word hysteresis for that lag. The term later passed into other fields, among them economics, for any system whose present state depends on its history.

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