Thomas Alva Edison (1847-1931)

American inventor who patented more than a thousand inventions, among them the microphone (1877), the phonograph (1878), and an incandescent lamp ...

Rated 3.86 with 7 reviews, in Science & Nature > Science > Scientists

Thomas Alva Edison (1847-1931)

Thomas Alva Edison (1847-1931)

Rated 0.00 with 0 reviews, in Education > Miscellaneous Education > Famous Autodidactics