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Ta’shun Richardson Alexander Graham bell 2 nd period.

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Presentation on theme: "Ta’shun Richardson Alexander Graham bell 2 nd period."— Presentation transcript:

1 Ta’shun Richardson Alexander Graham bell 2 nd period

2 My Inventor Alexander was born on march 3,1847 in Edinburgh Scotland Alexander also spent some time in Boston an became a American citizen

3 Background Alexander studied his inventions while studying deaf people Alexander also worked as a speech therapist

4 Info Alexander was the leading authority on elocution and speech correction In 1872 Alexander founded a school for deaf people

5 Alexander's invention Alexander invented the telephone The purpose of his invention was to find a way to communicate to others without being face to face

6 Alexander’s invention was beneficial because now we can talk to each other without being face to face

7 Why I like this Inventor Alexander is my favorite inventor because I love using my cell to text and talk to others

8 More Info Alexander also invented the microphone In 1856 he invented the electrical speech machine

9 Info When Alexander was eleven he invented a machine that could clean wheat He died on August 22 1922

10 Info Alexander was a pioneer in the field of telecommunications In 1878 Alexander had set up the first telephone exchange in New Haven

11 Info After the telephone invention Alexander invented the photophone it was a device that enabled sound to be transmitted on a beam of light

12 Info In 1896 Alexander was elected first president of natural geographic society In 1877 Alexander formed a telephone company to operate local telephone exchange operation

13 Info A while before Alexander filed a patent application in 1875 Daniel Drawbaugh claimed to have invented the telephone but since he had no proof the court rejected him

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15 Resources www.agbell.org/ www.pbs.org/wgbh/amex www.ideafinder.com


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