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φυσικό πρόσωπο
Engelbert Arnold (7 March 1856 – 16 November 1911) was a Swiss-born electrical engineer. He was the first professor of the electrotechnical institute at the TH Karlsruhe (today KIT), which was founded under his supervision from 1896 until 1898.
Wikipedia contributors. "Engelbert Arnold." Wikipedia, The Free Encyclopedia, 5/12/2024, 12:39:36 AM. Web. 5/16/2024, 4:26:55 PM.