Edison
Edison is known as one of the
greatest inventors of his time. He invented so much that it is difficult to say
which of his achievements is the greatest. He was an experimenter and a
practical man more than a theoretician.
Edison did not have any education.
He went to school only for three months. Then he left it because the teacher
considered him a dull boy. His mother became his teacher. The boy loved books
and his mother said that he had a wonderful memory. When he first visited a
public library and saw a lot of shelves with books he decided that he would
know everything in the world. He measured the shelf and decided to read a foot
of books every week.
In 1868 Edison built his first
patented invention - an electromagnetic device.
It is said that he planned to ask
three thousand dollars for his invention, though he secretly decided he would
sell it for two thousand if necessary. He was invited to a meeting of
businessmen who were interested in buying his invention, but when he was asked
to name the price he was very nervous and quite unable to speak.
"It is no use asking us a big
price ", said one of the businessmen," we have already decided how
much we will pay. Forty thousand dollars is our limit ".
With this money Edison established a
workshop and began his career as a professional inventor at the age of twenty
one.
All his inventions were the result
of hard work. He sometimes made thousands of experiments. According to his
words the idea that a genius works only by inspiration was absurd. "Genius
is 2 per cent inspiration and 98 per cent perspiration ", he often said.
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