Alexander Graham Bell is most well known for inventing the telephone. He came to the U.S as a teacher of the deaf, and conceived the idea of "electronic speech" while visiting his hearing-impaired ...

Explore telephone-related items from across the Smithsonian. National Museum of American History Alexander Graham Bell Experimental Telephone National Museum of American History Telegraph Sounder and ...

Bell Labs began as the research and development section of the American Telephone and Telegraph company, or AT&T. AT&T originally had exclusive use of Alexander Graham Bell's patents on the ...