While teaching, Bell met Mabel Hubbard, a deaf student. At age 26, the budding inventor became Professor of Vocal Physiology and Elocution at the Boston University School of Oratory, even though he didn’t have a university degree. In 1872, he opened the School of Vocal Physiology and Mechanics of Speech in Boston, where deaf people were taught to speak. While in the United States, Bell implemented a system his father developed to teach deaf children called “visible speech”-a set of symbols that represented speech sounds. The following year, he settled in the United States. In 1870, Bell, along with his family, moved to Canada. He went on to attend Royal High School and the University of Edinburgh. At age 16, Bell began studying the mechanics of speech. When he was just 12, the young Alexander invented a device with rotating paddles and nail brushes that could quickly remove husks from wheat grain to help improve a farming process.
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