What he did was develop a light bulb at the same time as the British man, JosephSwan, who came up with it originally.
他只是是与英国人约瑟夫·斯旺(Joseph Swan)同时开发出了电灯，而斯旺是最早想出电灯的人。
2
Sir JosephSwan of Newcastle announced that he had made a working light bulb on 18 December 1878 and on 18 January 1879 he gave a public demonstration in Sunderland –10 months before Edison.