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Wednesday, June 25, 2014

A. Study this example situation:
yesterday morning 
Yesterday morning I got up and looked out of the window.
The sun was shining, but the ground was very wet.
lt had been raining.
lt was not raining when I looked out of the window;
the sun was shining. But it had been rain ing before.
Had been -ing is the past perfect continuous:

I/we/they/you
he/she/it 
had
(= I'd etc.)

(=he'd etc.)
been
doing
working

playing etc.
Some more examples:
¡ When the boys came into the house, their clothes were dirty, their hair was untidy and one of
them had a black eye. They'd been fighting.
¡ I was very tired when I got home. I'd been working hard all day.
¡ When I went to Madrid a few years ago, I stayed with a friend of mine. She hadn't been
Living there very long, but she knew the city very well.

B. You can say that something had been happening for a period of time before something else happened:
¡ We'd been playing tennis for about half an hour when it started to rain heavily.
¡ Paul went to the doctor last Friday. He hadn't been feeling well for some time.


C. Compare have been -ing (present perfect continuous) and had been -ing (past perfect continuous):
Present perfect continuous





¡ I hope the bus comes soon. I've been
waiting for 20 minutes. (before now)
¡ James is out of breath. He has been
running.
Past perfect continuous





¡ At last the bus came. I'd been waiting
for 20 minutes. (before the bus came)
¡ James was out of breath. He had been
running.

D. Compare was -ing (past continuous) and had been -ing:
¡ It wasn't raining when we went out. The sun was shining. But it had been raining,
so the ground was wet.
¡ Katherine was sitting in an armchair resting. She was tired because she'd been working
very hard.

E. Some verbs {for example, know and Like) are not normally used in the continuous:
¡ We were good friends. We had known each other for years. (not had been knowing)
¡ I was surprised when Lisa cut her hair. She'd had long hair since I first met her.
(not she'd been having)

For a list of these verbs, see Unit 4A. For have, see Unit 17.
Grammar

UNIT 16 Past perfect continuous (I had been doing)

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A. Study this example situation:
yesterday morning 
Yesterday morning I got up and looked out of the window.
The sun was shining, but the ground was very wet.
lt had been raining.
lt was not raining when I looked out of the window;
the sun was shining. But it had been rain ing before.
Had been -ing is the past perfect continuous:

I/we/they/you
he/she/it 
had
(= I'd etc.)

(=he'd etc.)
been
doing
working

playing etc.
Some more examples:
¡ When the boys came into the house, their clothes were dirty, their hair was untidy and one of
them had a black eye. They'd been fighting.
¡ I was very tired when I got home. I'd been working hard all day.
¡ When I went to Madrid a few years ago, I stayed with a friend of mine. She hadn't been
Living there very long, but she knew the city very well.

B. You can say that something had been happening for a period of time before something else happened:
¡ We'd been playing tennis for about half an hour when it started to rain heavily.
¡ Paul went to the doctor last Friday. He hadn't been feeling well for some time.


C. Compare have been -ing (present perfect continuous) and had been -ing (past perfect continuous):
Present perfect continuous





¡ I hope the bus comes soon. I've been
waiting for 20 minutes. (before now)
¡ James is out of breath. He has been
running.
Past perfect continuous





¡ At last the bus came. I'd been waiting
for 20 minutes. (before the bus came)
¡ James was out of breath. He had been
running.

D. Compare was -ing (past continuous) and had been -ing:
¡ It wasn't raining when we went out. The sun was shining. But it had been raining,
so the ground was wet.
¡ Katherine was sitting in an armchair resting. She was tired because she'd been working
very hard.

E. Some verbs {for example, know and Like) are not normally used in the continuous:
¡ We were good friends. We had known each other for years. (not had been knowing)
¡ I was surprised when Lisa cut her hair. She'd had long hair since I first met her.
(not she'd been having)

For a list of these verbs, see Unit 4A. For have, see Unit 17.

12:06 AM Share:

Sunday, June 22, 2014

Rabindranath Tagore
Men are cruel, but Man is kind.
Rabindranath Tagore (1861-1941) was the youngest son of Debendranath Tagore, a leader of the Brahmo Samaj, which was a new religious sect in nineteenth-century Bengal and which attempted a revival of the ultimate monistic basis of Hinduism as laid down in the Upanishads. He was educated at home; and although at seventeen he was sent to
England for formal schooling, he did not finish his studies there. In his mature years, in addition to his many-sided literary activities, he managed the family estates, a project which brought him into close touch with common humanity and increased his interest in social reforms. He also started an experimental school at Shantiniketan where he tried his Upanishadic ideals of education. From time to time he participated in the Indian nationalist movement, though in his own non-sentimental and visionary way; and Mahatma Gandhi, the political father of modern India, was his devoted friend. Tagore was knighted by the ruling British Government in 1915, but within a few years he resigned the honour as a protest against British policies in India.
Tagore had early success as a writer in his native Bengal. With his translations of some of his poems he became rapidly known in the West. In fact his fame attained a luminous height, taking him across continents on lecture tours and tours of friendship. For the world he became the voice of India's spiritual heritage; and for India, especially for Bengal, he became a great living institution.
Although Tagore wrote successfully in all literary genres, he was first of all a poet. Among his fifty and odd volumes of poetry are Manasi (1890) [The Ideal One], Sonar Tari (1894) [The Golden Boat], Gitanjali (1910) [Song Offerings],
Gitimalya (1914) [Wreath of Songs], and Balaka (1916) [The Flight of Cranes]. The English renderings of his poetry, which include The Gardener (1913), Fruit-Gathering (1916), and The Fugitive (1921), do not generally correspond to
particular volumes in the original Bengali; and in spite of its title, Gitanjali: Song Offerings (1912), the most
acclaimed of them, contains poems from other works besides its namesake. Tagore's major plays are Raja (1910) [The King of the Dark Chamber], Dakghar (1912) [The Post Office], Achalayatan (1912) [The Immovable], Muktadhara (1922)
[The Waterfall], and Raktakaravi (1926) [Red Oleanders]. He is the author of several volumes of short stories and a number of novels, among them Gora (1910), Ghare-Baire (1916) [The Home and the World], and Yogayog (1929)
[Crosscurrents]. Besides these, he wrote musical dramas, dance dramas, essays of all types, travel diaries, and two
autobiographies, one in his middle years and the other shortly before his death in 1941. Tagore also left numerous drawings and paintings, and songs for which he wrote the music himself.

Rabindranath Tagore died on August 7, 1941.
Biography

Rabindranath Tagore

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Rabindranath Tagore
Men are cruel, but Man is kind.
Rabindranath Tagore (1861-1941) was the youngest son of Debendranath Tagore, a leader of the Brahmo Samaj, which was a new religious sect in nineteenth-century Bengal and which attempted a revival of the ultimate monistic basis of Hinduism as laid down in the Upanishads. He was educated at home; and although at seventeen he was sent to
England for formal schooling, he did not finish his studies there. In his mature years, in addition to his many-sided literary activities, he managed the family estates, a project which brought him into close touch with common humanity and increased his interest in social reforms. He also started an experimental school at Shantiniketan where he tried his Upanishadic ideals of education. From time to time he participated in the Indian nationalist movement, though in his own non-sentimental and visionary way; and Mahatma Gandhi, the political father of modern India, was his devoted friend. Tagore was knighted by the ruling British Government in 1915, but within a few years he resigned the honour as a protest against British policies in India.
Tagore had early success as a writer in his native Bengal. With his translations of some of his poems he became rapidly known in the West. In fact his fame attained a luminous height, taking him across continents on lecture tours and tours of friendship. For the world he became the voice of India's spiritual heritage; and for India, especially for Bengal, he became a great living institution.
Although Tagore wrote successfully in all literary genres, he was first of all a poet. Among his fifty and odd volumes of poetry are Manasi (1890) [The Ideal One], Sonar Tari (1894) [The Golden Boat], Gitanjali (1910) [Song Offerings],
Gitimalya (1914) [Wreath of Songs], and Balaka (1916) [The Flight of Cranes]. The English renderings of his poetry, which include The Gardener (1913), Fruit-Gathering (1916), and The Fugitive (1921), do not generally correspond to
particular volumes in the original Bengali; and in spite of its title, Gitanjali: Song Offerings (1912), the most
acclaimed of them, contains poems from other works besides its namesake. Tagore's major plays are Raja (1910) [The King of the Dark Chamber], Dakghar (1912) [The Post Office], Achalayatan (1912) [The Immovable], Muktadhara (1922)
[The Waterfall], and Raktakaravi (1926) [Red Oleanders]. He is the author of several volumes of short stories and a number of novels, among them Gora (1910), Ghare-Baire (1916) [The Home and the World], and Yogayog (1929)
[Crosscurrents]. Besides these, he wrote musical dramas, dance dramas, essays of all types, travel diaries, and two
autobiographies, one in his middle years and the other shortly before his death in 1941. Tagore also left numerous drawings and paintings, and songs for which he wrote the music himself.

Rabindranath Tagore died on August 7, 1941.

1:33 AM Share:
Robert Frost
Poetry is what gets lost in translation.
Robert Frost was born in San Francisco on March 26, 1874. He moved to New England at the age of eleven and became
interested in reading and writing poetry during his high school years in Lawrence, Massachusetts. He was enrolled at Dartmouth College in 1892, and later at Harvard, though he never earned a formal degree.
Frost drifted through a string of occupations after leaving school, working as a teacher, cobbler, and editor of the
Lawrence Sentinel. His first professional poem, "My Butterfly," was published on November 8, 1894, in the New York
newspaper The Independent.
In 1895, Frost married Elinor Miriam White, who became a major inspiration in his poetry until her death in 1938. The
couple moved to England in 1912, after their New Hampshire farm failed, and it was abroad that Frost met and was
influenced by such contemporary British poets as Edward Thomas, Rupert Brooke, and Robert Graves. While in England, Frost also established a friendship with the poet Ezra Pound, who helped to promote and publish his work.
By the time Frost returned to the United States in 1915, he had published two full-length collections, A Boy's Will and North of Boston, and his reputation was established. By the nineteen-twenties, he was the most celebrated poet in
America, and with each new book—including New Hampshire (1923), A Further Range (1936), Steeple Bush (1947), and In the Clearing (1962)—his fame and honors (including four Pulitzer Prizes) increased.
Though his work is principally associated with the life and landscape of New England, and though he was a poet of
traditional verse forms and metrics who remained steadfastly aloof from the poetic movements and fashions of his time, Frost is anything but a merely regional or minor poet. The author of searching and often dark meditations on universal themes, he is a quintessentially modern poet in his adherence to language as it is actually spoken, in the psychological complexity of his portraits, and in the degree to which his work is infused with layers of ambiguity and irony.
In a 1970 review of The Poetry of Robert Frost, the poet Daniel Hoffman describes Frost's early work as "the Puritan ethic turned astonishingly lyrical and enabled to say out loud the sources of its own delight in the world," and comments on Frost's career as The American Bard: "He became a national celebrity, our nearly official Poet Laureate, and a great
performer in the tradition of that earlier master of the literary vernacular, Mark Twain."
About Frost, President John F. Kennedy said, "He has bequeathed his nation a body of imperishable verse from which
Americans will forever gain joy and understanding."

Robert Frost lived and taught for many years in Massachusetts and Vermont, and died in Boston on January 29, 1963.
Biography

Robert Frost

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Robert Frost
Poetry is what gets lost in translation.
Robert Frost was born in San Francisco on March 26, 1874. He moved to New England at the age of eleven and became
interested in reading and writing poetry during his high school years in Lawrence, Massachusetts. He was enrolled at Dartmouth College in 1892, and later at Harvard, though he never earned a formal degree.
Frost drifted through a string of occupations after leaving school, working as a teacher, cobbler, and editor of the
Lawrence Sentinel. His first professional poem, "My Butterfly," was published on November 8, 1894, in the New York
newspaper The Independent.
In 1895, Frost married Elinor Miriam White, who became a major inspiration in his poetry until her death in 1938. The
couple moved to England in 1912, after their New Hampshire farm failed, and it was abroad that Frost met and was
influenced by such contemporary British poets as Edward Thomas, Rupert Brooke, and Robert Graves. While in England, Frost also established a friendship with the poet Ezra Pound, who helped to promote and publish his work.
By the time Frost returned to the United States in 1915, he had published two full-length collections, A Boy's Will and North of Boston, and his reputation was established. By the nineteen-twenties, he was the most celebrated poet in
America, and with each new book—including New Hampshire (1923), A Further Range (1936), Steeple Bush (1947), and In the Clearing (1962)—his fame and honors (including four Pulitzer Prizes) increased.
Though his work is principally associated with the life and landscape of New England, and though he was a poet of
traditional verse forms and metrics who remained steadfastly aloof from the poetic movements and fashions of his time, Frost is anything but a merely regional or minor poet. The author of searching and often dark meditations on universal themes, he is a quintessentially modern poet in his adherence to language as it is actually spoken, in the psychological complexity of his portraits, and in the degree to which his work is infused with layers of ambiguity and irony.
In a 1970 review of The Poetry of Robert Frost, the poet Daniel Hoffman describes Frost's early work as "the Puritan ethic turned astonishingly lyrical and enabled to say out loud the sources of its own delight in the world," and comments on Frost's career as The American Bard: "He became a national celebrity, our nearly official Poet Laureate, and a great
performer in the tradition of that earlier master of the literary vernacular, Mark Twain."
About Frost, President John F. Kennedy said, "He has bequeathed his nation a body of imperishable verse from which
Americans will forever gain joy and understanding."

Robert Frost lived and taught for many years in Massachusetts and Vermont, and died in Boston on January 29, 1963.

1:29 AM Share:
Socrates
An honest man is always a child.
Socrates (469 BC – 399 BC) was a classical Greek Athenian philosopher. Credited as one of the founders of Western philosophy, he is an enigmatic figure known chiefly through the accounts of later classical writers, especially the writings of his students Plato and Xenophon, and the plays of his contemporary Aristophanes. Many would claim that Plato's dialogues are the most comprehensive accounts of Socrates to survive from antiquity.

Through his portrayal in Plato's dialogues, Socrates has become renowned for his contribution to the field of ethics, and it is this Platonic Socrates who also lends his name to the concepts of Socratic irony and the Socratic method, or elenchus. The latter remains a commonly used tool in a wide range of discussions, and is a type of pedagogy in which a series of questions are asked not only to draw individual answers, but also to encourage fundamental insight into the issue at hand. It is Plato's Socrates that also made important and lasting contributions to the fields of epistemology and logic, and the influence of his ideas and approach remains strong in providing a foundation for much western philosophy that followed.
Biography

Socrates

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Socrates
An honest man is always a child.
Socrates (469 BC – 399 BC) was a classical Greek Athenian philosopher. Credited as one of the founders of Western philosophy, he is an enigmatic figure known chiefly through the accounts of later classical writers, especially the writings of his students Plato and Xenophon, and the plays of his contemporary Aristophanes. Many would claim that Plato's dialogues are the most comprehensive accounts of Socrates to survive from antiquity.

Through his portrayal in Plato's dialogues, Socrates has become renowned for his contribution to the field of ethics, and it is this Platonic Socrates who also lends his name to the concepts of Socratic irony and the Socratic method, or elenchus. The latter remains a commonly used tool in a wide range of discussions, and is a type of pedagogy in which a series of questions are asked not only to draw individual answers, but also to encourage fundamental insight into the issue at hand. It is Plato's Socrates that also made important and lasting contributions to the fields of epistemology and logic, and the influence of his ideas and approach remains strong in providing a foundation for much western philosophy that followed.

1:26 AM Share:
Swami Vivekananda
Strength is life, Weakness is death.
Swami Vivekananda (12 January 1863–4 July 1902), born Narendra Nath Datta, was an Indian Hindu monk. He was a key figure in the introduction of Indian philosophies of Vedanta and Yoga to the western world and was credited with raising interfaith awareness, bringing Hinduism to the status of a major world religion in the late 19th
century. He was a major force in the revival of Hinduism in India and contributed to the notion of nationalism in colonial India. He was the chief disciple of the 19th century saint Ramakrishna and the founder of the
Ramakrishna Math and the Ramakrishna Mission. He is perhaps best known for his inspiring speech beginning with "Sisters and Brothers of America," through which he introduced Hinduism at the Parliament of the World's
Religions in Chicago in 1893.
Born into an aristocratic Bengali family of Calcutta, Vivekananda showed an inclination towards spirituality. He was influenced by his guru Ramakrishna from whom he learnt that all living beings were an embodiment of the
divine self and hence, service to God could be rendered by service to mankind. After the death of his guru,
Vivekananda toured the Indian subcontinent extensively and acquired a first-hand knowledge of the conditions that prevailed in British India. He later travelled to the United States to represent India as a delegate in the 1893 Parliament of World Religions. He conducted hundreds of public and private lectures and classes, disseminating tenets of Hindu philosophy in the United States, England and Europe. In India, Vivekananda is regarded as a

patriotic saint and his birthday is celebrated as the National Youth Day.
Biography

Swami Vivekananda

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Swami Vivekananda
Strength is life, Weakness is death.
Swami Vivekananda (12 January 1863–4 July 1902), born Narendra Nath Datta, was an Indian Hindu monk. He was a key figure in the introduction of Indian philosophies of Vedanta and Yoga to the western world and was credited with raising interfaith awareness, bringing Hinduism to the status of a major world religion in the late 19th
century. He was a major force in the revival of Hinduism in India and contributed to the notion of nationalism in colonial India. He was the chief disciple of the 19th century saint Ramakrishna and the founder of the
Ramakrishna Math and the Ramakrishna Mission. He is perhaps best known for his inspiring speech beginning with "Sisters and Brothers of America," through which he introduced Hinduism at the Parliament of the World's
Religions in Chicago in 1893.
Born into an aristocratic Bengali family of Calcutta, Vivekananda showed an inclination towards spirituality. He was influenced by his guru Ramakrishna from whom he learnt that all living beings were an embodiment of the
divine self and hence, service to God could be rendered by service to mankind. After the death of his guru,
Vivekananda toured the Indian subcontinent extensively and acquired a first-hand knowledge of the conditions that prevailed in British India. He later travelled to the United States to represent India as a delegate in the 1893 Parliament of World Religions. He conducted hundreds of public and private lectures and classes, disseminating tenets of Hindu philosophy in the United States, England and Europe. In India, Vivekananda is regarded as a

patriotic saint and his birthday is celebrated as the National Youth Day.

1:22 AM Share:

Saturday, June 21, 2014

Steve Jobs
Stay hungry, Stay foolish.
Steven Paul Jobs (February 24, 1955 – October 5, 2011) was an American entrepreneur. He is best known as the
co-founder, chairman, and CEO of Apple Inc. Through Apple, he was widely recognized as a charismatic pioneer of the personal computer revolution and for his influential career in the computer and consumer electronics fields. Jobs also co-founded and served as chief executive of Pixar Animation Studios; he became a member of the board of
directors of The Walt Disney Company in 2006, when Disney acquired Pixar.
In the late 1970s, Apple co-founder Steve Wozniak engineered one of the first commercially successful lines of
personal computers, the Apple II series. Jobs was among the first to see the commercial potential of Xerox PARC's mouse-driven graphical user interface, which led to the creation of the Apple Lisa and, one year later, the Macintosh. He also played a role in introducing the LaserWriter, one of the first widely available laser printers, to the market. After a power struggle with the board of directors in 1985, Jobs left Apple and founded NeXT, a computer platform development company specializing in the higher-education and business markets. In 1986, he acquired the computer graphics division of Lucasfilm, which was spun off as Pixar. He was credited in Toy Story (1995) as an executive
producer. He served as CEO and majority shareholder until Disney's purchase of Pixar in 2006. In 1996, after Apple had failed to deliver its operating system, Copland, Gil Amelio turned to NeXT Computer, and the NeXTSTEP platform became the foundation for the Mac OS X. Jobs returned to Apple as an advisor, and took control of the company as an interim CEO. Jobs brought Apple from near bankruptcy to profitability by 1998.
As the new CEO of the company, Jobs oversaw the development of the iMac, iTunes, iPod, iPhone, and iPad, and on the services side, the company's Apple Retail Stores, iTunes Store and the App Store. The success of these products and services provided several years of stable financial returns, and propelled Apple to become the world's most valuable publicly traded company in 2011. The reinvigoration of the company is regarded by many commentators as one of the greatest turnarounds in business history.
In 2003, Jobs was diagnosed with a pancreas neuroendocrine tumor. Though it was initially treated, he reported a hormone imbalance, underwent a liver transplant in 2009, and appeared progressively thinner as his health

declined. On medical leave for most of 2011, Jobs resigned in August that year, and was elected Chairman of the Board. He died of respiratory arrest related to his metastatic tumor on October 5, 2011.
Biography

Staven Jobs

Posted by Web ratana  |  No comments

Steve Jobs
Stay hungry, Stay foolish.
Steven Paul Jobs (February 24, 1955 – October 5, 2011) was an American entrepreneur. He is best known as the
co-founder, chairman, and CEO of Apple Inc. Through Apple, he was widely recognized as a charismatic pioneer of the personal computer revolution and for his influential career in the computer and consumer electronics fields. Jobs also co-founded and served as chief executive of Pixar Animation Studios; he became a member of the board of
directors of The Walt Disney Company in 2006, when Disney acquired Pixar.
In the late 1970s, Apple co-founder Steve Wozniak engineered one of the first commercially successful lines of
personal computers, the Apple II series. Jobs was among the first to see the commercial potential of Xerox PARC's mouse-driven graphical user interface, which led to the creation of the Apple Lisa and, one year later, the Macintosh. He also played a role in introducing the LaserWriter, one of the first widely available laser printers, to the market. After a power struggle with the board of directors in 1985, Jobs left Apple and founded NeXT, a computer platform development company specializing in the higher-education and business markets. In 1986, he acquired the computer graphics division of Lucasfilm, which was spun off as Pixar. He was credited in Toy Story (1995) as an executive
producer. He served as CEO and majority shareholder until Disney's purchase of Pixar in 2006. In 1996, after Apple had failed to deliver its operating system, Copland, Gil Amelio turned to NeXT Computer, and the NeXTSTEP platform became the foundation for the Mac OS X. Jobs returned to Apple as an advisor, and took control of the company as an interim CEO. Jobs brought Apple from near bankruptcy to profitability by 1998.
As the new CEO of the company, Jobs oversaw the development of the iMac, iTunes, iPod, iPhone, and iPad, and on the services side, the company's Apple Retail Stores, iTunes Store and the App Store. The success of these products and services provided several years of stable financial returns, and propelled Apple to become the world's most valuable publicly traded company in 2011. The reinvigoration of the company is regarded by many commentators as one of the greatest turnarounds in business history.
In 2003, Jobs was diagnosed with a pancreas neuroendocrine tumor. Though it was initially treated, he reported a hormone imbalance, underwent a liver transplant in 2009, and appeared progressively thinner as his health

declined. On medical leave for most of 2011, Jobs resigned in August that year, and was elected Chairman of the Board. He died of respiratory arrest related to his metastatic tumor on October 5, 2011.

2:00 AM Share:
Thomas Alva Edison
There is no substitute for hard work.
Thomas Alva Edison, (born February 11, 1847, Milan, Ohio, U.S.—died October 18, 1931, West Orange, New Jersey), American inventor who, singly or jointly, held a world record 1,093 patents. In addition, he created the world’s first industrial research laboratory.
Edison was the quintessential American inventor in the era of Yankee ingenuity. He began his career in 1863, in the
adolescence of the telegraph industry, when virtually the only source of electricity was primitive batteries putting out a low-voltage current. Before he died, in 1931, he had played a critical role in introducing the modern age of electricity. From his laboratories and workshops emanated the phonograph, the carbon-button transmitter for the telephone speaker and microphone, the incandescent lamp, a revolutionary generator of unprecedented efficiency, the first commercial
electric light and power system, an experimental electric railroad, and key elements of motion-picture apparatus, as well as a host of other inventions.Edison was the seventh and last child—the fourth surviving—of Samuel Edison, Jr., and Nancy Elliot Edison. At an early age he developed hearing problems, which have been variously attributed but were most likely due to a familial tendency to mastoiditis. Whatever the cause, Edison’s deafness strongly influenced his behaviour and career, providing the motivation for many of his inventions.
Biography

Thomas Alva Edison

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Thomas Alva Edison
There is no substitute for hard work.
Thomas Alva Edison, (born February 11, 1847, Milan, Ohio, U.S.—died October 18, 1931, West Orange, New Jersey), American inventor who, singly or jointly, held a world record 1,093 patents. In addition, he created the world’s first industrial research laboratory.
Edison was the quintessential American inventor in the era of Yankee ingenuity. He began his career in 1863, in the
adolescence of the telegraph industry, when virtually the only source of electricity was primitive batteries putting out a low-voltage current. Before he died, in 1931, he had played a critical role in introducing the modern age of electricity. From his laboratories and workshops emanated the phonograph, the carbon-button transmitter for the telephone speaker and microphone, the incandescent lamp, a revolutionary generator of unprecedented efficiency, the first commercial
electric light and power system, an experimental electric railroad, and key elements of motion-picture apparatus, as well as a host of other inventions.Edison was the seventh and last child—the fourth surviving—of Samuel Edison, Jr., and Nancy Elliot Edison. At an early age he developed hearing problems, which have been variously attributed but were most likely due to a familial tendency to mastoiditis. Whatever the cause, Edison’s deafness strongly influenced his behaviour and career, providing the motivation for many of his inventions.

1:56 AM Share:
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