Swan
/swɒn/- Swan, Sir Joseph Wilson (1828-1914), English physicist and chemist. He devised an electric light bulb in 1860 and in 1883 he formed a partnership with Thomas Edison to manufacture it.斯旺, 约瑟夫·威尔逊爵士(1828-1914, 英国物理学家和化学家, 于1860年发明了电灯泡, 并在1883年与托马斯·爱迪生合伙进行生产)。