What made him most famous?

Answer 1

Elvis Presley became the first major star in the history of rock and roll music. He was the one who popularized so-called "rhythm and blues" (black music) for the white audience, beginning in the mid-1950s; he became a teen idol, appearing on TV, starring in several hit movies, and having a number of hit songs on the top-40 charts. For more than two decades, he was an important presence in Rock Music. Even after his death, people still thought of him as the "King of Rock and Roll," for his many hits, and for his influence on the popular culture. In fact, by some measurements, he is the best-selling artist in the history of recorded music.

Answer 2

he discovered electriton