John Ambrose Fleming Quotations

  • Author John Ambrose Fleming

    John Ambrose Fleming

    Inventor

    Sir John Ambrose Fleming FRSwas a British electrical engineer and physicist. He is known for inventing the first thermionic valve or vacuum tube. He is also famous for the left hand rule. He was born the eldest of seven children of James Fleming DD, a Congregational minister, and his wife, Mary Ann, at Lancaster, Lancashire and baptised on 11 February 1850... (wikipedia)

    • Died On 4/18/1945

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