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Augusta Ada King (Byron), Countess of Lovelace

Also Known As: "The Enchantress of Numbers", "the first computer programmer", "Ada Lovelace", "Ada Byron Lovelace", "The Hon. Augusta Ada Byron"
Birthdate:
Birthplace: London, England (United Kingdom)
Death: November 27, 1852 (36)
Marylebone, London, England (United Kingdom)
Place of Burial: Hucknall, Nottingham, England
Immediate Family:

Daughter of George Gordon Byron, 6th Lord Byron and Anne Isabella Baroness Wentworth
Wife of William King, Earl of Lovelace
Mother of Lady Anne Blunt, 15th Baroness Wentworth; Ralph King-Milbanke, 2nd Earl of Lovelace and Byron King-Noel, Viscount Ockham, Baron Wentworth
Half sister of Allegra Byron

Occupation: Mathematician, Computer scientist, "the first computer programmer"
Managed by: Private User
Last Updated:

About Ada Lovelace

https://fi.wikipedia.org/wiki/Ada_Lovelace

http://www.computerhistory.org/babbage/adalovelace/

https://spiremaths.co.uk/al2/

Augusta Ada King, Countess of Lovelace (10 December 1815 – 27 November 1852), born Augusta Ada Byron, was an English writer chiefly known for her work on Charles Babbage's early mechanical general-purpose computer, the analytical engine. Her notes on the engine include what is recognised as the first algorithm intended to be processed by a machine; as such she is sometimes portrayed as the "World's First Computer Programmer".

She was the only legitimate child of the poet Lord Byron (with Anne Isabella Milbanke), but had no relationship with her father, who died when she was nine. As a young adult she took an interest in mathematics, and in particular Babbage's work on the analytical engine. Between 1842 and 1843 she translated an article by Italian mathematician Luigi Menabrea on the engine, which she supplemented with a set of notes of her own. These notes contain what is considered the first computer program—that is, an algorithm encoded for processing by a machine. Though Babbage's engine was not built until nearly 150 years later in 1989–91, Lovelace's notes are important in the early history of computers. She also foresaw the capability of computers to go beyond mere calculating or number-crunching while others, including Babbage himself, focused only on these capabilities.

Biography

Ada Augusta Byron was born on December 10, 1815, she was the only child of the poet Lord Byron, 6th Lord Byron and his wife, Anne Isabella "Annabella" Milbanke, Baroness Wentworth.[4] Byron, and many of those who knew Byron, expected that the baby would be "the glorious boy", and there was some disappointment at the contrary news She was named after Byron's half-sister, Augusta Leigh, and was called "Ada" by Byron himself.

Portrait by Margaret Sarah CarpenterOn 16 January 1816, Annabella, at Byron's behest, left for her parents' home at Kirkby Mallory taking one-month-old Lovelace with her. Although English law gave fathers full custody of their children in cases of separation, Byron made no attempt to claim his parental rights. On 21 April, Byron signed the Deed of Separation, although very reluctantly, and left England for good a few days later. Byron did not have a relationship with his daughter and he died in 1824 when she was nine; her mother was the only significant parental figure in her life. Her mother, Annabella, became Baroness Wentworth in her own right in 1856, being then the sole remaining representative of the Wentworth Viscounts.

Lovelace was often ill, dating from her early childhood. At the age of eight she experienced headaches that obscured her vision. In June 1829, she was paralysed after a bout of the measles. She was subjected to continuous bed rest for nearly a year, which may have extended her period of disability. By 1831 she was able to walk with crutches.

Throughout her illnesses, Lovelace continued her education. Her mother's obsession with rooting out any of the insanity of which she accused Lord Byron was one of the reasons that Lovelace was taught mathematics from an early age. Lovelace was privately schooled in mathematics and science by William Frend, William King and Mary Somerville. One of her later tutors was the noted mathematician and logician Augustus De Morgan. From 1832, when she was seventeen, her remarkable mathematical abilities began to emerge, and her interest in mathematics dominated her life even after her marriage. In a letter to Lovelace's mother, De Morgan suggested that Lovelace's skill in mathematics could lead her to become "an original mathematical investigator, perhaps of first-rate eminence".

Lovelace never met her younger half-sister, Allegra Byron, daughter of Lord Byron and Claire Clairmont, who died in 1822 at the age of five. She did, however, have some contact with Elizabeth Medora Leigh, the daughter of Byron's half-sister Augusta Leigh. Augusta Leigh purposely avoided Lovelace as much as possible when she was introduced at Court.

Adult years

Lovelace knew Mary Somerville, noted researcher and scientific author of the 19th century, who introduced her to Charles Babbage on 5 June 1833. Other acquaintances were Sir David Brewster, Charles Wheatstone, Charles Dickens and Michael Faraday.

By 1834, Lovelace was a regular at Court and started attending various events. She danced often and was able to charm many people and was described by most people as being dainty. However, John Hobhouse, Lord Byron's friend, was the exception and he described her as "a large, coarse-skinned young woman but with something of my friend's features, particularly the mouth". This description followed their meeting on 24 February 1834 in which Lovelace made it clear to Hobhouse that she did not like him, probably due to the influence of her mother, which led her to dislike all of her father's friends. This first impression was not to last, and they later became friends.

On 8 July 1835 she married William King, 8th Baron King, later 1st Earl of Lovelace in 1838. Her full title for most of her married life was "The Right Honourable the Countess of Lovelace". Their residence was a large estate at Ockham Park, in Ockham, Surrey, along with another estate on Loch Torridon and a home in London. They had three children; Byron born 12 May 1836, Anne Isabella (called Annabella, later Lady Anne Blunt) born 22 September 1837 and Ralph Gordon born 2 July 1839. Immediately after the birth of Annabella, Lovelace experienced "a tedious and suffering illness, which took months to cure".

In 1841, Lovelace and Medora Leigh (daughter of Lord Byron's half-sister Augusta Leigh) were told by Lovelace's mother that Byron, her father, was also Medora's father. On 27 February 1841, Lovelace wrote to her mother: "I am not in the least astonished. In fact you merely confirm what I have for years and years felt scarcely a doubt about, but should have considered it most improper in me to hint to you that I in any way suspected". Lovelace did not blame the incestuous relationship on Byron, but instead blamed Augusta Leigh: "I fear she is more inherently wicked than he ever was". This did not prevent Lovelace's mother from attempting to destroy her daughter's image of her father, but instead drove her to attack Byron's image with greater intensity.

Charles Babbage

Ada Lovelace met and corresponded with Charles Babbage on many occasions, including socially and in relation to Babbage's Difference Engine and Analytical Engine. Babbage was impressed by Lovelace's intellect and writing skills. He called her "The Enchantress of Numbers". In 1843 he wrote of her:

Forget this world and all its troubles and if possible its multitudinous Charlatans – every thing in short but the Enchantress of Numbers.

During a nine-month period in 1842–43, Lovelace 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. The notes are longer than the memoir itself and include (Section G), in complete detail, a method for calculating a sequence of Bernoulli numbers with the Engine, which would have run correctly had the Analytical Engine been built. Based on this work, Lovelace is now widely credited with being the first computer programmer and her method is recognised as the world's first computer program.

Some biographers debate the extent of her original contributions. Dorothy Stein, author of Ada: A Life and a Legacy, contends that the programs were mostly written by Babbage himself. Babbage wrote the following on the subject, in his Passages from the Life of a Philosopher (1864).

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.

The level of impact of Lovelace on Babbage's engines is difficult to resolve from Babbage's writings due to Babbage's tendency not to acknowledge (either orally or in writing) the influence of other people in his work.

Death

Lovelace died at the age of thirty-six, on 27 November 1852, from uterine cancer and bloodletting by her physicians. She was buried, at her request, next to her father at the Church of St. Mary Magdalene in Hucknall, Nottingham.

First "computer program"

In 1842 Charles Babbage was invited to give a seminar at the University of Turin about his analytical engine. Luigi Menabrea, a young Italian engineer, and future prime minister of Italy, wrote up Babbage's lecture in French, and this transcript was subsequently published in the Bibliothèque Universelle de Genève in October 1842.

Babbage asked the Countess of Lovelace to translate Menabrea's paper into English, subsequently requesting that she augment the notes she had added to the translation. Lady Lovelace spent most of a year doing this. These notes, which are more extensive than Menabrea's paper, were then published in The Ladies' Diary and Taylor's Scientific Memoirs under the initialism "AAL".

In 1953, over one hundred years after her death, Lady Lovelace's notes on Babbage's Analytical Engine were republished. The engine has now been recognised as an early model for a computer and Lady Lovelace's notes as a description of a computer and software.

Her notes were labelled alphabetically from A to G. In note G, the Countess describes an algorithm for the analytical engine to compute Bernoulli numbers. It is considered the first algorithm ever specifically tailored for implementation on a computer, and for this reason she is often cited in to be the first computer programmer.[28] However the engine was never actually constructed to completion during Lovelace's lifetime.

The computer language Ada, created on behalf of the United States Department of Defense, was named after Lovelace. The reference manual for the language was approved on 10 December 1980, and the Department of Defense Military Standard for the language, "MIL-STD-1815", was given the number of the year of her birth. Since 1998, the British Computer Society has awarded a medal in her name and in 2008 initiated an annual competition for women students of computer science.

Lady Lovelace has been portrayed in the film Conceiving Ada, the steam punk novel The Difference Engine, by William Gibson and Bruce Sterling and the webcomic 2D Goggles by Sydney Padua.

Commemoration

In 2009 and 2010, 24 March was commemorated by some as Ada Lovelace Day, a day to celebrate the achievements of women in technology and science.[33] The 2011 Ada Lovelace Day will be 7 October.

Titles and styles

10 December 1815 – 8 July 1835: The Honourable Ada Augusta Byron

8 July 1835–1838: The Right Honourable the Lady King

1838 – 27 November 1852: The Right Honourable the Countess of Lovelace

Publications

Sketch of the Analytical Engine Invented by Charles Babbage, Esq. with notes by trans. Ada Lovelace, in Scientific Memoirs, Vol 3 (1842)

  • *****************************++ Two hundred years ago today, pioneering mathematician Ada Lovelace was born in London, England. Augusta Ada Byron was born on December 10, 1815. She was the only legitimate child of the famous poet Lord George Gordon Byron, who left his wife and child shortly after Ada was born. Ada showed an apt for mathematics at an early age. Despite being outside the norm for women at the time, her mother encouraged her education in science and math, believing it would keep Ada from developing her father's volatile temperament. In 1833, Ada met mathematician and inventor Charles Babbage, with whom she would develop a lifelong friendship. Babbage invented the Difference Engine, a device used for complex mathematical calculations. While helping to translate an article on Babbage's Analytical Engine, Ada appended the article with her own notes and ideas. In the end, her notes were three times longer than the original article, and within her notes contained what many consider to be the world's first computer program. Because of this, she is often regarded as the world's first computer programmer.

https://www.msn.com/en-us/news/other/remembering-ada-lovelace-the-f...
https://www.britannica.com/biography/Ada-Lovelace
https://www.biography.com/scholar/ada-lovelace
https://kids.nationalgeographic.com/history/article/ada-lovelace
https://galois.com/team/augusta-ada-king-countess-lovelace/

About Ada Lovelace (Polski)

Była genialną matematyczką i miłośniczką poezji – to drugie zainteresowanie najprawdopodobniej odziedziczyła po ojcu, Lordzie Byronie. Ponoć to właśnie z pisaniem Ada Lovelace, bo o niej mowa, wiązała swoją przyszłość. Zdecydowanie nie podobało się to jej matce, która uważała, że już sam Byron popadł przez poezję w obłęd. Rodzicielka Ady Lovelace wolała, by jej córka zajęła się naukami ścisłymi. I tak właśnie się stało. Choć matematyczka ta żyła w XIX wieku, to rodzice zadbali o jej możliwie jak najlepsze wykształcenie – jej nauczycielka byłą m.in. Mary Somerville, jedna z pierwszych kobiet przyjętych do Królewskiego Towarzystwa Astronomicznego. W pewnym momencie swojego życia Ada poznała Charlesa Babbage’a, matematyka, astronoma, fizyka i wynalazcę. Babbage pracował nad projektem maszyny różnicowej, który zafascynował również Lovelace. To po części dzięki naukowcowi zaczęła studiować pod kierownictwem profesora Augustusa de Morgana z Uniwersytetu Londyńskiego. Później Babbage zaczął pracować również nad projektem maszyny analitycznej, którą można by nazwać prototypem komputera. Notatki na ten temat spisał po francusku inżynier Luigi Menabrea, na angielski miała je przetłumaczyć – znająca kilka języków – Lovelace. Matematyczka dodała do nich wiele swoich notatek, poprawek, wyjaśnień nieścisłości. Najbardziej znana jest notatka oznaczona literą G, w której przedstawiła rekurencyjny algorytm do obliczania liczb Bernoullego. Warto jednak dodać, że Lovelace i Babbage’owi nie udało się zbudować pierwszej komputerowej „maszyny”, jednak ich wkład w rozwój nauki jest nie do przecenienia.

„Algorytm Ady” Jamesa Essingera przedstawia historię tej nieprzeciętnej kobiety, ale także jej ojca i Babbage’a.

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Ada Lovelace's Timeline

1815
December 10, 1815
London, England (United Kingdom)
1836
May 12, 1836
St. James's, London, Greater London, England, United Kingdom
1837
September 22, 1837
1839
July 2, 1839
1852
November 27, 1852
Age 36
Marylebone, London, England (United Kingdom)
????
Church of St. Mary Magdalene, Hucknall, Nottingham, England (United Kingdom)