2025年11月27日 · Alexander Graham Bell (1847–1922) was a British-American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and …

Alexander Graham Bell (/ ˈɡreɪ.əm / ⓘ; born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting …

2009年11月9日 · Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep-rooted and personal, as …

Explore a biography of Alexander Graham Bell the inventor of the telephone. Discover facts about his early life through to his later inventions.

In June, Bell demonstrated the telephone for Sir William Thomson (Baron Kelvin) and Emperor Pedro II of Brazil at the Centennial Exhibition in Philadelphia. On July 9, 1877, Bell, Hubbard, Sanders, and …

After inventing the telephone, Bell continued his experiments in communication, which culminated with the photophone transmission of sound on a beam of light, a precursor of today's optical fiber …

2025年2月13日 · Alexander Graham Bell was a pioneering Scottish scientist and inventor, born on March 3, 1847, in Edinburgh, Scotland. Best known as the inventor of the first working telephone in 1876, his groundbreaking work fundamentally changed how people communicate.

While Bell is best known for his telephone invention, he worked on hundreds of projects throughout his life and received a number of patents in various fields. In 1880, Bell patented the photophone, which …

A timeline showing key dates in the life of Scottish-born American inventor Alexander Graham Bell. He is famous for creating one of the world’s most important communication devices—the telephone.

Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish scientist, inventor, and innovator. He emigrated to Canada in 1870 and then to the United States in 1871.