Elihu Thomson
Elihu Thomson was an Englishborn American engineer and inventor who was instrumental in the founding of major electrical companies in the United States, the United Kingdom and France.
He was born in Manchester on March 29, 1853, but his family moved to Philadelphia in 1858. Thomson attended Central High School in Philadelphia and graduated in 1870. Thomson took a teaching position at Central, and in 1876, at the age of twentythree, held the Chair of Chemistry. In 1880, he left Central to pursue research in the emerging field of electrical engineering.
Source: Wikipedia