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==External links== |
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Ada love lace was a British woman from England in the piccadilly area, terrance.--[[Special:Contributions/208.79.177.66|208.79.177.66]] ([[User talk:208.79.177.66|talk]]) 15:34, 5 February 2008 (UTC) |
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{{Commons|Ada Lovelace}} |
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* {{genealogics|id=00057751}} |
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#REDIRECT [[<s>Insert text</s><br /><!-- |
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* [http://www.sdsc.edu/ScienceWomen/lovelace.html Ada Lovelace: Founder of Scientific Computing (SDSC Women in Science)] |
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* {{MacTutor Biography|id=Lovelace}} |
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* [http://web.archive.org/web/20010710002229/http://vms.www.uwplatt.edu/~wise/lovelace/lovelace.html WISE Project biography] ([[Internet Archive|archive]] link, was [[Dead link|dead]]) |
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* [http://www.cs.yale.edu/homes/tap/ada-lovelace.html A page of (mostly broken) links to biographies, etc] |
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* [http://www.cs.yale.edu/homes/tap/Files/ada-lovelace-notes.html Ada Lovelace's ''Notes'' and ''The Ladies Diary''] |
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* [http://www.educause.edu/pub/er/review/reviewArticles/31240.html Ada & the Analytical Engine] |
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* [http://www.cs.kuleuven.ac.be/~dirk/ada-belgium/pictures.html Ada Picture Gallery includes freely copyable pictures of Ada] |
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|}<ref><ref>Insert footnote text here</ref>[['''Link title'''''[[Italic text]][http://www.example.com link title]'']]</ref> |
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* [http://www.fourmilab.ch/babbage/sketch.html Full text of translation of "Sketch of the Analytical Engine" by L. F. Menabrea with Ada's notes and extensive commentary] |
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* [http://www.g4tv.com/techtvvault/features/27659/Ada_Lovelace_Countess_of_Controversy.html Ada Lovelace, Countess of Controversy (g4tv.com)] |
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* [http://www.newyorker.com/critics/books/?010305crbo_Holt_Books_C Jim Holt's "The Ada Perplex," from the New Yorker] |
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* [http://www.scottlan.edu/lriddle/women/love.htm A brief biography of Ada Augusta, Countess of Lovelace with links to other resources related to Ada] |
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* [http://www.hucknall-parish-church.org.uk/ada.htm Hucknall Parish Church, Ada's final resting place] |
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* [http://archive.salon.com/21st/feature/1999/03/16feature.html Repurposing Ada - Examining the "Ada myth" at Salon.com] |
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* [http://www.internationalbyronsociety.org/ada1.asp] Thoughts on Ada, from a lecture given by the Earl of Lytton, at International Byron Society.org. |
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* Black and white sketch of the child Augusta Ada Byron by an unknown artist [http://englishhistory.net/byron/images/ada.jpg], referenced by [http://englishhistory.net/byron/contents.html] |
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Revision as of 15:34, 5 February 2008
Ada Lovelace | |
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Born | |
Died | November 27, 1852 | (aged 36)
Augusta Ada King, Countess of Lovelace (December 10, 1815 London, England – November 27, 1852 Marylebone, London, England [1]), born Augusta Ada Byron, is mainly known for having written a description of Charles Babbage's early mechanical general-purpose computer, the analytical engine. She is also known as the "first programmer".
Biography
Ada was the first legitimate child of the poet Lord Byron and his wife, Anne Isabella Milbanke. She was named after Byron's half-sister, Augusta Leigh, whose child he was rumoured to have fathered. Ada was born on December 10, 1815, London, England. On January 16, 1816, Anne Isabella left Byron, taking 1-month old Ada with her. On April 21, Byron signed the Deed of Separation and left England for good a few days later.
Ada never met her younger half-sister, Allegra Byron, daughter of Lord Byron and Claire Clairmont, who died at the age of five in 1822. Ada did have some contact with Elizabeth Medora Leigh, the daughter of Byron's half-sister Augusta Leigh. Ada and Medora were told by Ada's mother that Byron was Medora's father.
Ada lived with her mother, as is apparent in her father's correspondence concerning her. Lady Byron was also highly interested in mathematics, which dominated her life, even after marriage. Her obsession with rooting out any of the insanity of which she accused Lord Byron was one of the reasons why Annabella taught Ada mathematics at an early age. Ada was privately home schooled in mathematics and science by William Frend, William King and Mary Somerville. One of her later tutors was Augustus De Morgan. An active member of London society, she was a member of the Bluestockings in her youth.
In 1835 she married William King, 8th Baron King, later 1st Earl of Lovelace. They had three children; Byron born 12 May 1836, Annabella (Lady Anne Blunt) born 22 September 1837 and Ralph Gordon born 2 July 1839. The family lived at Ockham Park, at Ockham, Surrey. Her full name and title for most of her married life was The Right Honourable Augusta Ada, Countess of Lovelace. She is widely known in modern times simply as Ada Lovelace, or by her maiden name, Ada Byron.
She knew and was taught by Mary Somerville, noted researcher and scientific author of the 19th century, who introduced her in turn to Charles Babbage on June 5, 1833. Other acquaintances were Sir David Brewster, Charles Wheatstone, Charles Dickens and Michael Faraday.
During a nine-month period in 1842–1843, Ada translated Italian mathematician Luigi Menabrea's memoir on Babbage's newest proposed machine, the Analytical Engine. With the article, she appended a set of notes which specified in complete detail a method for calculating Bernoulli numbers with the Engine, recognized by historians as the world's first computer program. Biographers debate the extent of her original contributions, with some holding that the programs were written by Babbage himself. Babbage wrote the following on the subject, in his Passages from the Life of a Philosopher (1846)[2]:
I then suggested that she add some notes to Menabrea's memoir, an idea which was immediately adopted. We discussed together the various illustrations that might be introduced: I suggested several but the selection was entirely her own. So also was the algebraic working out of the different problems, except, indeed, that relating to the numbers of Bernoulli, which I had offered to do to save Lady Lovelace the trouble. This she sent back to me for an amendment, having detected a grave mistake which I had made in the process.
Lovelace's prose also acknowledged some possibilities of the machine which Babbage never published, such as speculating that "the Engine might compose
Ada was a British woman in England
elaborate and scientific pieces of music of any degree of complexity or extent."
Interaction with Charles Babbage
Ada met and corresponded with Charles Babbage on many occasions, including socially and in relation to Babbage's Difference Engine and Analytical Engine. Their relationship was not of a romantic nature.
Ada was one of the few people who fully understood Babbage's ideas and created a program for the Analytical Engine. Had the Analytical Engine ever actually been built, her program would have been able to calculate a sequence of Bernoulli numbers. Based on this work, Lovelace is now widely credited with being the first computer programmer.
Babbage was impressed by Ada's intellect and writing skills. He called her "The Enchantress of Numbers". In 1843 he wrote of Ada:[3]
Forget this world and all its troubles and if possible its multitudinous Charlatans - every thing in short but the Enchantress of Numbers.
The level of impact of Ada on Babbage's engines are the subject of debate. The debate is difficult to resolve due to Charles Babbage's tendency to not acknowledge (either verbally or in writing) the influence of other people in his work.
Death
Ada Lovelace was bled to death at the age of 37. She perished at the same age as her father. She left two sons and a daughter, Lady Anne Blunt, famous in her own right as a traveller in the Middle East and a breeder of Arabian horses, co-founder of the Crabbet Arabian Stud.
Lovelace was buried next to the father she never knew at the Church of St. Mary Magdalene in Hucknall, Nottingham.
Over one hundred years after her death, in 1953, Ada Lovelace's notes on Babbage's Analytical Engine were republished after being forgotten. The engine has now been recognized as an early model for a computer and Ada Lovelace's notes as a description of a computer and software.
References within computer science
- The computer language Ada, created by the U.S. Defense Department, was named after Lovelace. The reference manual for the language was approved on December 10, 1980, Ada's birthday, and the Department of Defense Military Standard for the language, "MIL-STD-1815" was given the number of the year of her birth.
- Her image can be seen on the Microsoft product authenticity hologram stickers.
- The British Computer Society annually awards a medal in her name.
Popular cultural references
- On episode #203 ("Hugs and Witches") of the math-mystery cartoon Cyberchase, she appears as the animated character Lady Ada Lovelace, voiced by Saturday Night Live comedian Jane Curtin.
- She is one of the main characters in the alternate history "steampunk" novel The Difference Engine by Bruce Sterling and William Gibson, which posits a world in which Babbage's machines were mass produced and the computer age started a century earlier.
- Lord Byron's Novel by John Crowley is a pastiche of a novel supposedly by Byron (in real life he did begin writing one, but is not known to have completed it), discovered after his death by his daughter, edited and with commentary by her.
- She is a main character in the 1997 film Conceiving Ada.
- In the series "Midnighters" by Scott Westerfeld, one of the main characters, Dess, idolizes Ada Lovelace. This becomes mildly significant in the second book of the series.
- A superintelligent computer in the online comic strip Narbonic is named for her.
- She is referenced in passing in Arthur C. Clarke's 3001: The Final Odyssey
Publications
- Menabrea, Luigi Federico (1843). "Sketch of the Analytical Engine Invented by Charles Babbage". Scientific Memoirs. 3.
{{cite journal}}
: Cite has empty unknown parameters:|quotes=
and|month=
(help); Unknown parameter|coauthors=
ignored (|author=
suggested) (help) With notes upon the Memoir by the Translator - Woolley, Benjamin (2002). The Bride of Science: Romance, Reason, and Byron's Daughter.
{{cite book}}
: Cite has empty unknown parameters:|quotes=
and|coauthors=
(help); Unknown parameter|month=
ignored (help) - Toole, Betty Alexandra Toole Ed.D, Ada, the Enchantress of Numbers, A Selection from the Letters of Ada Lovelace, and her Description of the First Computer (1992)
- Toole, Betty Alexandra Toole Ed.D., Ada, The Enchantress of Numbers, Prophet of the Computer Age, 1998
- Kim, Eugene and Toole, Betty Alexandra T, Ada and the First Computer, Scientific American, May, 1999
See also
References
- ^ GRO Register of Deaths: DEC 1852 1a * MARYLEBONE - Augusta Ada Lovelace
- ^ (from an excerpt found in Perspectives on the Computer Revolution (1970), edited by Zenon Pylyshyn)
- ^ Toole, Betty (1998). "Acknowledgments". The Enchantress of Numbers. Critical Connection. ISBN 0912647183.
External links
- Template:Genealogics
- Ada Lovelace: Founder of Scientific Computing (SDSC Women in Science)
- O'Connor, John J.; Robertson, Edmund F., "Ada Lovelace", MacTutor History of Mathematics Archive, University of St Andrews
- WISE Project biography (archive link, was dead)
- A page of (mostly broken) links to biographies, etc
- Ada Lovelace's Notes and The Ladies Diary
- Ada & the Analytical Engine
- Ada Picture Gallery includes freely copyable pictures of Ada
- Full text of translation of "Sketch of the Analytical Engine" by L. F. Menabrea with Ada's notes and extensive commentary
- Ada Lovelace, Countess of Controversy (g4tv.com)
- Jim Holt's "The Ada Perplex," from the New Yorker
- A brief biography of Ada Augusta, Countess of Lovelace with links to other resources related to Ada
- Hucknall Parish Church, Ada's final resting place
- Repurposing Ada - Examining the "Ada myth" at Salon.com
- [1] Thoughts on Ada, from a lecture given by the Earl of Lytton, at International Byron Society.org.
- Black and white sketch of the child Augusta Ada Byron by an unknown artist [2], referenced by [3]