|66 Records Found|
| Sir Joseph
Wilson Swan (October 31, 1828 - May 27, 1914) was an English physicist and
chemist, most famous for the development of the light bulb.
Swan was born on October 31, 1828, at Pallion Hall in Bishopwearmouth (now Sunderland), and he served an apprenticeship with a pharmacist there. He later became a partner in Mawson's, a firm of manufacturing chemists in Newcastle. This company existed as Mawson Swan and Morgan until recently.
In 1850 he began working on a light bulb using carbonized paper filaments in an evacuated glass bulb. By 1860 he was able to demonstrate a working device, and obtained a UK patent covering a partial vacuum, carbon filament incandescent lamp. However, the lack of good vacuum and an adequate electric source resulted in a short lifetime for