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plaque · England

Sir John Ambrose Fleming FRS

Photograph at the Sir John Ambrose Fleming FRS plaque

Professor Sir John Ambrose Fleming 1849-1945 Inventor of the diode radio valve, pioneer in wireless telegraphy. He was a friend of this Observatory and lived in Sidmouth, 1926-1945

Inscription drawn from imported open data, awaiting original TributeLegacy editorial.

Source: Open Plaques. Geographic data via OpenStreetMap.

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Data sources

Location records are drawn from open, licence-clean datasets, kept here with attribution and gratitude to the people who maintain them.

  • Open Plaques, dedicated to the public domain (CC0). See openplaques.org.
  • Wikidata, available under the CC0 1.0 Universal dedication.
  • © OpenStreetMap contributors, available under the Open Database Licence.
  • Historic England, National Heritage List for England, used under the Open Government Licence v3.0. War memorial records are drawn from open community datasets (OpenStreetMap, Wikidata, NHLE) — never from the Commonwealth War Graves Commission, which is excluded.

Editorial descriptions, photography and tribute links are original TributeLegacy work, layered on top of the open data.

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