Invents the Vacuum Tube, Beginning Electronics. English physicist and electrical engineer John Ambrose Fleming, who had worked with Thomas Edison's company in London, invented and applied for the patent for the two-electrode vacuum-tube rectifier on November 16, 1904.
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John Ambrose Fleming
Explanation:
Invents the Vacuum Tube, Beginning Electronics. English physicist and electrical engineer John Ambrose Fleming, who had worked with Thomas Edison's company in London, invented and applied for the patent for the two-electrode vacuum-tube rectifier on November 16, 1904.
1904 po ata(not sure but i hope it helps naman