# George Stephen Kemp

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Plaque commemorating Marconi and Kemp in Ballycastle

**George Stephen Kemp** (1857 - 2 January, 1933, [Southampton](/source/Southampton)) was an electrical engineer and the first [personal assistant](/source/Personal_assistant) to [Guglielmo Marconi](/source/Guglielmo_Marconi).[1][2]Kemp was with Marconi at Kenmara House, [Ballycastle, County Antrim](/source/Ballycastle%2C_County_Antrim) when they carried out a successful experiment in [Wireless Telegraphy](/source/Wireless_Telegraphy) on 25 August, 1898.

Kemp was a [Royal Navy](/source/Royal_Navy) Instructor and electrician stationed on [HMS Defiance](/source/HMS_Defiance). In July 1896 he came to the attention of Sir [Henry Jackson](/source/Henry_Jackson_(Royal_Navy_officer)) who arranged for him to be seconded to work with [William Preece](/source/William_Preece) at the [Post office](/source/Post_office). The following year he started employment with Marconi, who he worked closely with until his death in 1933.[3]

## References

1. **[^](#cite_ref-Baker_(1970)_History_of_Marconi_Company_1-0)** Baker, W. J. (1970). [*A history of the Marconi Company*](https://archive.org/details/historyofmarconi0000bake/page/278/mode/2up?q=Baddow). London: London, Methuen. [ISBN](/source/ISBN_(identifier)) [978-0-416-17050-4](https://en.wikipedia.org/wiki/Special:BookSources/978-0-416-17050-4).

1. **[^](#cite_ref-GMF_Kemp_2-0)** ["George Kemp"](https://www.fgm.it/en/marconi-en/profiles/george-kemp.html). *www.fgm.it*. Guglielmo Marconi Foundation. Retrieved 9 November 2025.

1. **[^](#cite_ref-RNSUBMUS_Radio_3-0)** Mason, Len (2019). [*Who Invented Radio?*](https://www.rnsubmusfriends.org.uk/wp-content/uploads/2019/02/who-invented-radio.pdf) (PDF). Gosport: Who invented Radio? Friends of the Royal Navy Submarine Museum.

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