Thomas Alva. 1847–1931, US inventor. He patented more than a thousand inventions, including the phonograph, the incandescent electric lamp, the microphone, and the kinetoscope
Edison in American English1
(ˈɛdɪsən)
Thomas Alva (ˈælvə) 1847-1931; U.S. inventor, esp. of electrical & communication devices, including theincandescent lamp, phonograph, & microphone