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While a teacher, Bell met year-old Mabel Hubbard, one of his deaf students. Despite a year age gap, the two fell in love and were married in The couple would go on to have four children: daughters Elsie and Marian, as well as two sons who died as infants.

While a teacher for the hearing impaired, Bell was asked by a group of investors — one of whom was his father-in-law Gardiner Hubbard — to help perfect the harmonic telegraph. The device was one of the most exciting innovations of the day, allowing for multiple messages to be sent over wire simultaneously. But Bell was more keen on developing a voice transmitting device, which he would later call the telephone. After some negotiation, the investors allowed for Bell to work on both technologies, with more focus on the popular harmonic telegraph.

However, in the end, the telephone won out.

Biography of Alexander Graham Bell, Inventor

Watson, come here. I want you. Soon after establishing the Bell Telephone Company in , Bell found himself in what would become an almost year legal battle with other inventors who claimed they had invented the telephone before or around the same time as Bell, his most notable rival being Elisha Grey.

However, in the end, none of the lawsuits proved successful. The telephone proved wildly successful, and within 10 years, more than , people in the United States owned telephones.

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But a few years after founding Bell Telephone Company, Bell quickly lost interest in managing the business aspect of his enterprise and sold his shares. In he invested his sizable fortune into building a new scientific experimental facility called the Volta Laboratory, aimed to improving the lives of the hearing impaired. The laboratory ran many experiments using light to transmit sound.

Alexander Graham Bell Biography

The graphophone was an improved and more commercialized version of the phonograph invented by Thomas Edison. After the fatal shooting of President James A. Garfield in , Bell got to work on a device that could detect metal in the body for surgical use. In the s, Bell began focusing his studies on aviation. Georgetown, Washington, D.

Alexander Graham Bell: 5 Facts on the Father of the Telephone

In , and again in and , Melville lectured at the Lowell Institute in Boston , Massachusetts after having moved to Canada. In he became a lecturer on philology at Queen's College, Kingston, Ontario ; and in he moved to Washington, D. Prior to departing Scotland for Canada Melville Bell had published at least 17 works on proper speech, vocal physiology, stenography and other works.

Besides instructing at Queens College he also lectured in Boston, Montreal, Toronto, London, and other universities including a series of 12 lectures at Boston's Lowell Institute. Alexander Melville Bell was married twice, first to Eliza Grace Symonds in with whom he had three children, and then to Harriet G.

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In Melville published his first works on Visible Speech , to help the deaf both learn and improve upon their aural speech since the profoundly deaf could themselves not hear their own aural pronunciations. However, although heavily promoted at the Second International Congress on Education of the Deaf in Milan, Italy in , after a period of a dozen years or so in which it was applied to the education of the deaf, Visible Speech was found to be more cumbersome, and thus a hindrance, to the teaching of speech to the deaf compared to other methods, [10] and eventually faded from use.

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Graham used the considerable profits from the sale of his shares to found the Volta Bureau as an instrument "for the increase and diffusion of knowledge relating to the deaf". Melville Bell died at age 86 in due to pneumonia after an operation for diabetes, [2] and was interred in Washington, D. The voice of Bell, citing a sentence from Hamlet , can be heard at the Smithsonian Institution , as extracted from an graphophone recording.

The following are some of the more prominent of the 93 publications authored or co-authored by Melville Bell: [9] [15].

From Wikipedia, the free encyclopedia. He has taught graduate courses on early modern France, on nationalism, on war, on the first French empire, on the Enlightenment, and on the way thinkers have understood the Enlightenment over the past quarter-millennium.. He welcomes applications from prospective graduate students interested in working on topics related to French history from to Princeton University.

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Search form Search. Home Department:. Office Hours: Tuesday: am am Thursday: pm pm. David Bell's Website.

Curriculum Vitae. Teaching Interests Bell has regularly taught undergraduate survey courses on European history from to the present, on the French Revolution, and on the history of warfare in the modern West.