Charles BabbageCharles BabbageCharles Babbage (December 26, 1791 – October 18, 1871) was an English mathematician, analytical philosopher and (proto-) computer scientist who originated the idea of a programmable computer. Parts of his uncompleted mechanisms are on display in the London Science Museum. In 1991, working from Babbage's original plans, a difference engine was completed, and functioned perfectly. It was built to tolerances achievable in the 19th century, indicating that Babbage's machine would have worked. LifeCharles Babbage was born in London on December 26, 1791, probably at 44 Crosby Row, Walworth Road, London. His father, Benjamin Babbage, was a banking partner of the Praeds who owned the Bitton Estate in Teignmouth. His mother was Betsy Plumleigh Babbage. In 1808 the Babbage family moved into the old Rowdens house in East Teignmouth, and Benjamin Babbage became a warden of the nearby St. Michael’s Church. EducationHis father's money allowed Charles to receive instruction from several schools and tutors during the course of his elementary education. Around age eight he was sent to a country school to recover from a life-threatening fever. His parents ordered that his "brain was not to be taxed too much" and Babbage felt that "this great idleness may have led to some of my childish reasonings." He was sent to King Edward VI Grammar School in Totnes, South Devon, a thriving comprehensive school still extant today, but his health forced him back to private tutors for a time. He then joined a 30-student academy under Reverend Stephen Freeman. The academy had a well-stocked library that prompted Babbage's love of mathematics. He studied with two more private tutors after leaving the academy. Of the first, a clergyman near Cambridge, Babbage said, "I fear I did not derive from it all the advantages that I might have done." The second was an Oxford tutor from whom Babbage learned enough of the Classics to be accepted to Cambridge. Babbage arrived at Trinity College, Cambridge in October 1810. He had read extensively in Leibniz, Lagrange, Simpson, and Lacroix and was seriously disappointed in the mathematical instruction available at Cambridge. In response, he, John Herschel, George Peacock, and several other friends formed the Analytical Society. In 1812 Babbage transferred to Peterhouse, Cambridge. He was the top mathematician at Peterhouse, but failed to graduate with honours. He instead received an honorary degree without examination in 1814. MarriageOn July 25, 1814, Charles Babbage married Georgiana Whitmore at St. Michael's Church in Teignmouth, Devon. His father did not approve of the marriage. The couple lived happily at 5 Devonshire Street, Portland Place, London. They had eight children, but only three lived to adulthood. Charles' father, his wife Georgiana Babbage, and one son all died in 1827. Children
Design of computersIn recognition of the high error rate in the calculation of mathematical tables, Babbage sought to find a method by which they could be calculated mechanically, removing human sources of error. This idea may have come to him as early as 1812. Three different factors seem to have influenced him: a dislike of untidiness; his experience working on logarithmic tables; and existing work on calculating machines carried out by Wilhelm Schickard, Blaise Pascal, and Gottfried Leibniz. He first discussed the principles of a calculating engine in a letter to Sir Humphrey Davy in 1822. Part of Babbage's difference engine, assembled after his death by Babbage's son, using parts found in his laboratory.Difference engine(See also Difference engine) Babbage presented a model of what he called a difference engine to the Royal Astronomical Society on June 14, 1822 and in a paper entitled "Note on the application of machinery to the computation of astronomical and mathematical tables."[1] It calculated polynomials using a numerical method called the differences method. The Society approved the idea, prompting the government to grant £1500 for its construction in 1823. Babbage converted one of the rooms in his home to a workshop and hired Joseph Clement to oversee construction of the engine. Every part had to be formed by hand using custom machine tools, many of which Babbage himself designed. He took extensive tours of industry to better understand manufacturing processes. Based on these trips and his experience with the difference engine, Babbage published On the Economy of Machinery and Manufacture[2] in 1832. It was the first publication on what we would now call operations research. The death of Georgiana, Babbage's father, and an infant son interrupted construction in 1827. Work had already taxed Babbage heavily and he was on the edge of a breakdown. John Herschel and several other friends convinced Babbage to take a trip to Europe to recuperate. He passed through the Netherlands, Belgium, Germany, and Italy visiting universities and manufacturing facilities. In Italy he learned he had been named the Lucasian Professor of Mathematics. He initially wanted to turn down the position but several friends convinced him to accept. He moved to 1 Dorset Street upon returning to England in 1828. The difference engine project had come under fire during Babbage's absence. Rumours had spread that Babbage had wasted the government's money; that the machine did not work; and that it had no practical value if it did. John Herschel and the Royal Society publicly defended the engine. The government continued its support, advancing £1500 on April 29, 1829, £3000 on December 3, and £3000 on February 24, 1830. Work continued, but Babbage would have continual difficulty getting money from the treasury. Babbage's problems with the treasury coincided with numerous disagreements with Clement. Babbage had built a two-story, 50 foot long workshop behind his house. It had a glass roof for lighting, and a fireproof, dust-free room to contain the machine. Clement refused to move his operations to the new workshop and demanded more money for the difficulty of travelling across town to oversee construction. In response, Babbage suggested that Clement draw his pay directly from the treasury. Before then, Babbage would get money from the government that he would use to pay Clement. He often had to pay Clement out of his own pocket when the bureaucracy lagged behind Clement's pay schedule. Clement refused the request and stopped working. Clement further refused to turn over the drawings and tools used to build the difference engine. After an investment of £23000, including £6000 of Babbage's own money, work on the unfinished machine ceased in 1834. Charles wrote, "The drawings and parts of the Engine are at length in a place of safety—I am almost worn out with disgust and annoyance at the whole affair." In 1842 the government officially abandoned the project. Analytical engine(see also: Analytical engine) While he was separated from the difference engine, Babbage began to think about an improved calculating engine. Between 1833 and 1842 he tried to build a machine that would be programmable to do any kind of calculation, not just ones relating to polynomial equations. The first breakthrough came when he redirected the machine's output to the input for further equations. He described this as the machine "eating its own tail". It did not take much longer for him to define the main points of his analytical engine. The mature analytical engine used punched cards adapted from the Jacquard loom to specify input and the calculations to perform. The engine consisted of two parts: the mill and the store. The mill, analogous to a modern computer's CPU, executed the operations on values retrieved from the store, which we would consider memory. It was the world's first general-purpose computer. A design for this emerged by 1835. The scale of the work was truly incredible. Babbage and a handful of assistants created 500 large design drawings, 1000 sheets of mechanical notation, and 7000 sheets of scribbles. The completed mill would measure 15 feet tall and 6 feet in diameter. The 100 digit store would stretch to 25 feet long. Babbage constructed only small test parts for his new engine; a full engine was never completed. In 1842, following repeated failures to obtain funding from the First Lord of the Treasury, Babbage approached Sir Robert Peel for funding. Peel refused, and offered Babbage a knighthood instead. Babbage refused. He would continue modifying and improving the design for many years to come. In October 1842, Federico Luigi, Conte Menabrea, an Italian general and mathematician, published a paper on the analytical engine. Augusta Ada King, Countess of Lovelace, a longtime friend of Babbage, translated the paper into English. Charles suggested that she add notes to accompany the paper. In a series of letters between 1842 and 1843, the pair collaborated on seven notes, the combined length of which was three times longer than the actual paper. In one note Ada prepared a table of execution for a program that Babbage wrote to calculate the Bernoulli numbers. In another, she wrote about a generalized algebra engine that could perform operations on symbols as well as numbers. Lovelace was perhaps the first to grasp the more general goals of Babbage’s machine, and some consider her the world's first computer programmer. She began work on a book describing the analytical engine in more detail, but it was never finished. Second difference engineBetween October 1846 and March 1849 Babbage started designing a second difference engine using knowledge gained from the analytical engine. It used only about 8000 parts, three times fewer than the first. It measured 11 feet long, 7 feet high and 18 inches deep. It was a marvel of mechanical engineering. Unlike the analytical engine that he continually tweaked and modified, he did not try to improve the second difference engine after completing the initial design. The 24 schematics remained in the Science Museum archives until a full-size replica was built in 1991 to celebrate the 200th anniversary of Babbage’s birth.[3] Other accomplishmentsIn 1824 Babbage won the Gold Medal of the Royal Astronomical Society "for his invention of an engine for calculating mathematical and astronomical tables". From 1828 to 1839 Babbage was Lucasian professor of mathematics at Cambridge. He contributed largely to several scientific periodicals, and was instrumental in founding the Astronomical Society in 1820 and the Statistical Society in 1834. In 1837, responding to the official eight Bridgewater Treatises "On the Power, Wisdom and Goodness of God, as manifested in the Creation", he published his Ninth Bridgewater Treatise putting forward the thesis that God had the omnipotence and foresight to create as a divine legislator, making laws (or programs) which then produced species at the appropriate times, rather than continually interfering with ad hoc miracles each time a new species was required. The book incorporated extracts from correspondence he had been having with John Herschel on the subject. Charles Babbage also achieved notable results in cryptography. He broke Vigenère's autokey cipher as well as the much weaker cipher that is called Vigenère cipher today. The autokey cipher was generally called "the undecipherable cipher", though owing to popular confusion, many thought that the weaker polyalphabetic cipher was the "undecipherable" one. Babbage's discovery was used to aid English military campaigns, and was not published until several years later; as a result credit for the development was instead given to Friedrich Kasiski, who made the same discovery some years after Babbage. Babbage also invented the pilot (also called a cow-catcher), the metal frame attached to the front of locomotives that clears the tracks of obstacles in 1838. He also performed several studies on Isambard Kingdom Brunel's Great Western Railway. He only once endeavoured to enter public life, when, in 1832, he stood unsuccessfully for the borough of Finsbury. He came in last in the polls. References
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He came in last in the polls. Babbage's discovery was used to aid English military campaigns, and was not published until several years later; as a result credit for the development was instead given to Friedrich Kasiski, who made the same discovery some years after Babbage. On Saturday, April 16, 2005, Mark finished a game against the Seattle Mariners in only 1 hour and 39 minutes, giving up 1 run and 3 hits (all to Ichiro), and Paul Konerko backed him with two homers, the only two Sox hits and runs on the day. The autokey cipher was generally called "the undecipherable cipher", though owing to popular confusion, many thought that the weaker polyalphabetic cipher was the "undecipherable" one. Through Sunday, September 4, 2005, Buehrle was 15-7 with a 3.00 ERA. He broke Vigenère's autokey cipher as well as the much weaker cipher that is called Vigenère cipher today. Buehrle had his 49 consecutive starts of 6 or more innings halted on August 1 after he hit Orioles outfielder BJ Surhoff in retaliation for the Orioles recent beanings of White Sox hitters. Charles Babbage also achieved notable results in cryptography. When the AL scored in the second it was Buehrle who picked up the win. The book incorporated extracts from correspondence he had been having with John Herschel on the subject. He threw two innings in Detroit allowing just a couple of hits and no runs. In 1837, responding to the official eight Bridgewater Treatises "On the Power, Wisdom and Goodness of God, as manifested in the Creation", he published his Ninth Bridgewater Treatise putting forward the thesis that God had the omnipotence and foresight to create as a divine legislator, making laws (or programs) which then produced species at the appropriate times, rather than continually interfering with ad hoc miracles each time a new species was required. With an injury to Roy Halladay taking him out of the starters role, it was Buehrle who started for the AL in the mid summer's classic. He contributed largely to several scientific periodicals, and was instrumental in founding the Astronomical Society in 1820 and the Statistical Society in 1834. Truth be told Buehrle hadn't pitched less then six innings in any of his starts all season. From 1828 to 1839 Babbage was Lucasian professor of mathematics at Cambridge. After a sparkling first half of 2005 (10-3, 2.58 ERA, 1.11 WHIP) Buehrle was selected to the American League All Star Team. In 1824 Babbage won the Gold Medal of the Royal Astronomical Society "for his invention of an engine for calculating mathematical and astronomical tables". Needless to say the Twins never made it out of the first round. The 24 schematics remained in the Science Museum archives until a full-size replica was built in 1991 to celebrate the 200th anniversary of Babbage’s birth.[3]. If they lose in the first round, although it wasn't a big deal what I said, then they need to say something to me." (September 21, 2004). Unlike the analytical engine that he continually tweaked and modified, he did not try to improve the second difference engine after completing the initial design. I'll call Minnesota, I'll call some radio station and apologize. It was a marvel of mechanical engineering. "If it comes down to it, give me any number I need to call and if they get past the first round, I'll call and apologize to everyone I need to.. It measured 11 feet long, 7 feet high and 18 inches deep. Buehrle later carried his comments and even offered the Twins a chance to prove him wrong. It used only about 8000 parts, three times fewer than the first. ". Between October 1846 and March 1849 Babbage started designing a second difference engine using knowledge gained from the analytical engine. Anything can happen, but I don't see it." -Buehrle told the suburban Chicago Daily Southtown. She began work on a book describing the analytical engine in more detail, but it was never finished. "You have [Johan] Santana and [Brad] Radke, and you've got a chance,but then you look at the rest of their roster and you really can't see them getting past the first round. Lovelace was perhaps the first to grasp the more general goals of Babbage’s machine, and some consider her the world's first computer programmer. The Twins had just won the AL Central again and Buehrle was one of the first to rain on their parade. In another, she wrote about a generalized algebra engine that could perform operations on symbols as well as numbers. In September of 2004 Buehrle turned his sights on the Twins and their World Series hopes. In one note Ada prepared a table of execution for a program that Babbage wrote to calculate the Bernoulli numbers. On July 21 in Cleveland he faced the minimum 27 batters in a two-hit shutout of the Indians. In a series of letters between 1842 and 1843, the pair collaborated on seven notes, the combined length of which was three times longer than the actual paper. Buehrle matched 220 innings and 100 strike outs for the fourth consecutive season and finished strong with three complete games in his last five starts. Charles suggested that she add notes to accompany the paper. He ranked among the AL leaders in complete games (T1st, 5), starts (T1st, 35), quality starts (3rd, 23), shutouts (T4th, 1), fewest walks per 9.0 IP (5th, 1.87), wins (T6th, 16), strikeout to- walk ratio (7th, 3.24), ERA (8th, 3.89) and strikeouts (9th) Buehrle also lasted at least 6.0 IP in each of his last 28 starts. Augusta Ada King, Countess of Lovelace, a longtime friend of Babbage, translated the paper into English. In 2004 Buehrle led the American League in IP with 245.1 and again started 35 games. In October 1842, Federico Luigi, Conte Menabrea, an Italian general and mathematician, published a paper on the analytical engine. Two milestones for Buehrle in 2003 were his 100th start on September 2 against Boston and his 50th career win against Texas on August 23. He would continue modifying and improving the design for many years to come. By year's end he ranked among the American League leaders in starts (T2nd), quality starts (3rd, 24) and IP (5th). Babbage refused. He threw 220 innings and struck out 100 for the third year in a row. Peel refused, and offered Babbage a knighthood instead. After proving to be a rubber arm in 2002, Buehrle went on to set a career high with 35 starts in 2003. In 1842, following repeated failures to obtain funding from the First Lord of the Treasury, Babbage approached Sir Robert Peel for funding. FOX Sports Net Chicago honored him as the White Sox Player of the Year. Babbage constructed only small test parts for his new engine; a full engine was never completed. In his one start, he allowed four runs on five hits over 3.0 IP, before leaving with a bruised left shoulder sustained when hit by a line drive off the bat of Hideki Matsui. The 100 digit store would stretch to 25 feet long. At the end of the season he was selected as a member of the Major League All-Star Team that played in Japan in November. The completed mill would measure 15 feet tall and 6 feet in diameter. He ranked among the American League leaders in IP (2nd, 239.0), games started (T2nd, 34), complete games (T2nd, 5), shutouts (T2nd, 2), wins (T4th, 19) and quality starts (T5th, 23) Mark lasted at least 6.0 IP 30 times and 8.0 IP nine times. Babbage and a handful of assistants created 500 large design drawings, 1000 sheets of mechanical notation, and 7000 sheets of scribbles. He went on to post a 19-12 record and again topped 220 innings. The scale of the work was truly incredible. 2002 wasn't much different. A design for this emerged by 1835. Buehrle had far away exceeded expectations for the season. It was the world's first general-purpose computer. His complete game against the Devil Rays on August 3 was a one hitter. The mill, analogous to a modern computer's CPU, executed the operations on values retrieved from the store, which we would consider memory. Tampa and August 8 at Anaheim. The engine consisted of two parts: the mill and the store. He would also toss back to back complete games on August 3 vs. The mature analytical engine used punched cards adapted from the Jacquard loom to specify input and the calculations to perform. Mark recorded his first complete game May 26 at Detroit. It did not take much longer for him to define the main points of his analytical engine. ..Mark threw 24.2 consecutive scoreless IP (May 26-June 7) the most by a Sox pitcher since Tommy John threw 25 scoreless frames in 1967. He described this as the machine "eating its own tail". In his first full season he went 16-8 with a 3.29 ERA and was atop the league lead in just about every pitching statistic. The first breakthrough came when he redirected the machine's output to the input for further equations. He also took part in the Futures Game during All Star Weekend picking up the win. Between 1833 and 1842 he tried to build a machine that would be programmable to do any kind of calculation, not just ones relating to polynomial equations. 9 Prospect in the White Sox organization. While he was separated from the difference engine, Babbage began to think about an improved calculating engine. Despite his early promotion Buehrle .was named Southern League Pitcher of the Year, named a Second-Team Minor League All-Star as well as the No. (see also: Analytical engine). Three days later he was starting in Minnesota where he scattered six hits and two runs over 7 innings of work for his first win in his first start. Charles wrote, "The drawings and parts of the Engine are at length in a place of safety—I am almost worn out with disgust and annoyance at the whole affair." In 1842 the government officially abandoned the project. He pitched an inning of relief allowing a run. After an investment of £23000, including £6000 of Babbage's own money, work on the unfinished machine ceased in 1834. His first game came on July 16 against Milwaukee. Clement further refused to turn over the drawings and tools used to build the difference engine. He was one of eight Sox pitchers to earn his first career win in 2000 and one of seven to make his major-league debut. Clement refused the request and stopped working. Mark would make only 36 appearances in the minors, only 16 of which were above Class A, before being called up to the Majors on July 16, 2000. He often had to pay Clement out of his own pocket when the bureaucracy lagged behind Clement's pay schedule. Posting a 16-4 record he was selected as a NJCAA Third-Team All-America. Before then, Babbage would get money from the government that he would use to pay Clement. Charles Missouri he attended Jefferson Junior College. In response, Babbage suggested that Clement draw his pay directly from the treasury. After graduating from Francis Howell North High School in St. Clement refused to move his operations to the new workshop and demanded more money for the difficulty of travelling across town to oversee construction. Mark Buehrle was the 38 round draft pick of the Chicago White Sox in 1998. It had a glass roof for lighting, and a fireproof, dust-free room to contain the machine. Charles, Missouri) is a left-handed starting pitcher in Major League Baseball who has played for the Chicago White Sox since 2000. Babbage had built a two-story, 50 foot long workshop behind his house. Mark Anthony Buehrle (born March 23, 1979 in St. Babbage's problems with the treasury coincided with numerous disagreements with Clement. Work continued, but Babbage would have continual difficulty getting money from the treasury. The government continued its support, advancing £1500 on April 29, 1829, £3000 on December 3, and £3000 on February 24, 1830. John Herschel and the Royal Society publicly defended the engine. Rumours had spread that Babbage had wasted the government's money; that the machine did not work; and that it had no practical value if it did. The difference engine project had come under fire during Babbage's absence. He moved to 1 Dorset Street upon returning to England in 1828. He initially wanted to turn down the position but several friends convinced him to accept. In Italy he learned he had been named the Lucasian Professor of Mathematics. He passed through the Netherlands, Belgium, Germany, and Italy visiting universities and manufacturing facilities. John Herschel and several other friends convinced Babbage to take a trip to Europe to recuperate. Work had already taxed Babbage heavily and he was on the edge of a breakdown. The death of Georgiana, Babbage's father, and an infant son interrupted construction in 1827. It was the first publication on what we would now call operations research. Based on these trips and his experience with the difference engine, Babbage published On the Economy of Machinery and Manufacture[2] in 1832. He took extensive tours of industry to better understand manufacturing processes. Every part had to be formed by hand using custom machine tools, many of which Babbage himself designed. Babbage converted one of the rooms in his home to a workshop and hired Joseph Clement to oversee construction of the engine. The Society approved the idea, prompting the government to grant £1500 for its construction in 1823. Babbage presented a model of what he called a difference engine to the Royal Astronomical Society on June 14, 1822 and in a paper entitled "Note on the application of machinery to the computation of astronomical and mathematical tables."[1] It calculated polynomials using a numerical method called the differences method. (See also Difference engine). He first discussed the principles of a calculating engine in a letter to Sir Humphrey Davy in 1822. Three different factors seem to have influenced him: a dislike of untidiness; his experience working on logarithmic tables; and existing work on calculating machines carried out by Wilhelm Schickard, Blaise Pascal, and Gottfried Leibniz. This idea may have come to him as early as 1812. In recognition of the high error rate in the calculation of mathematical tables, Babbage sought to find a method by which they could be calculated mechanically, removing human sources of error. Charles' father, his wife Georgiana Babbage, and one son all died in 1827. They had eight children, but only three lived to adulthood. The couple lived happily at 5 Devonshire Street, Portland Place, London. His father did not approve of the marriage. Michael's Church in Teignmouth, Devon. On July 25, 1814, Charles Babbage married Georgiana Whitmore at St. He instead received an honorary degree without examination in 1814. He was the top mathematician at Peterhouse, but failed to graduate with honours. In 1812 Babbage transferred to Peterhouse, Cambridge. In response, he, John Herschel, George Peacock, and several other friends formed the Analytical Society. He had read extensively in Leibniz, Lagrange, Simpson, and Lacroix and was seriously disappointed in the mathematical instruction available at Cambridge. Babbage arrived at Trinity College, Cambridge in October 1810. Of the first, a clergyman near Cambridge, Babbage said, "I fear I did not derive from it all the advantages that I might have done." The second was an Oxford tutor from whom Babbage learned enough of the Classics to be accepted to Cambridge. He studied with two more private tutors after leaving the academy. The academy had a well-stocked library that prompted Babbage's love of mathematics. He then joined a 30-student academy under Reverend Stephen Freeman. His parents ordered that his "brain was not to be taxed too much" and Babbage felt that "this great idleness may have led to some of my childish reasonings." He was sent to King Edward VI Grammar School in Totnes, South Devon, a thriving comprehensive school still extant today, but his health forced him back to private tutors for a time. Around age eight he was sent to a country school to recover from a life-threatening fever. His father's money allowed Charles to receive instruction from several schools and tutors during the course of his elementary education. Michael’s Church. In 1808 the Babbage family moved into the old Rowdens house in East Teignmouth, and Benjamin Babbage became a warden of the nearby St. His mother was Betsy Plumleigh Babbage. His father, Benjamin Babbage, was a banking partner of the Praeds who owned the Bitton Estate in Teignmouth. Charles Babbage was born in London on December 26, 1791, probably at 44 Crosby Row, Walworth Road, London. . It was built to tolerances achievable in the 19th century, indicating that Babbage's machine would have worked. In 1991, working from Babbage's original plans, a difference engine was completed, and functioned perfectly. Parts of his uncompleted mechanisms are on display in the London Science Museum. Charles Babbage (December 26, 1791 – October 18, 1871) was an English mathematician, analytical philosopher and (proto-) computer scientist who originated the idea of a programmable computer. ISBN 03166484772. The Cogwheel Brain. Doron Swade. Irascible Genius: A Life of Charles Babbage, Inventor. Maboth Moseley. ISBN 0691023778. Charles Babbage: Pioneer of the Computer. Anthony Hyman. ISBN 1851960406. Passages from the Life of a Philosopher. Charles Babbage. Alexander Forbes Babbage (born 1827). Henry Prevost Babbage (born 16 September 1824). Dugald Bromheald Babbage (born 13 March 1823). Francis Moore Babbage (born 1 June 1821). Edward Stewart Babbage (born 15 December 1819). Geogiana Whitmore Babbage (born 17 July 1818). Charles Whitmore Babbage (born 22 January 1817). Benjamin Herschel Babbage (born 6 August 1815). |