An exhibition of Swan incandescent lights
Sir Joseph Wilson Swan, D.Sc.h.c., FRS (31 October 1828 – 27 May 1914) was a British physicist and chemist. He is most famous for inventing an incandescent light bulb.
Swan first demonstrated the light bulb at a lecture in Newcastle upon Tyne on 18 December 1878, but he did not receive a patent until 27 November 1880 (patent No. 4933