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Bacon Roger:     more books (100)

The Opus Majus of Roger Bacon: Edited, with Introduction and Analytical Table, by John Henry Bridges. Volume 1 by John Henry Bridges, 2000-12-21 Opus Majus of Roger Bacon, Part 2 by Robert Belle Burke, 2002-07-25 Roger Bacon and the Origins of Perspectiva in the Middle Ages: A Critical Edition and English Translation of Bacon's Perspectiva with Introduction and Notes by Roger Bacon, 1996-10-31 The Theory of mind of Roger Bacon by Horace Graig Longwell, 2010-08-08 The First Scientist: A Life of Roger Bacon by Brian Clegg, 2004-06-20 Roger Bacons Philosophy Of Nature by Roger Bacon, 1998-01-30 The Friar and the Cipher: Roger Bacon and the Unsolved Mystery of the Most Unusual Manuscript in the World by Lawrence Goldstone, Nancy Goldstone, 2005-02-15 The Most Mysterious Manuscript: The Voynich "Roger Bacon" Cipher Manuscript The Opus Majus of Roger Bacon (Cambridge Library Collection - PhysicalSciences) (Latin Edition) (Volume 1) by Roger Bacon, 2010-07-01 Thus Argued Roger Bacon by Students' Academy, 2010-08-16 The Opus Majus of Roger Bacon (Cambridge Library Collection - PhysicalSciences) (Latin Edition) (Volume 1) by Roger Bacon, 2010-07-01 Thus Argued Roger Bacon by Students' Academy, 2010-08-16 Roger Bacon's Letter by Roger Bacon, 2010-05-23 Roger Bacon's Life And Work by Roger Bacon, 2010-05-23

lists with details

1. Roger Bacon - Wikipedia, The Free Encyclopedia
   Roger Bacon was born in Ilminster in Somerset in 1214, and not as some believe near Ilchester in Somerset, though he has also been claimed by Bisley in  
   http://en.wikipedia.org/wiki/Roger_Bacon
   
   Extractions: Jump to: navigation search For the Nova Scotia premier see Roger Bacon (politician) Statue of Roger Bacon in the Oxford University Museum Roger Bacon O.F.M. (c. ), also known as Doctor Mirabilis Latin : "wonderful teacher"), was one of the most famous Franciscan friars of his time. An English philosopher who placed considerable emphasis on empiricism , he is sometimes credited as one of the earliest European advocates of the modern scientific method Roger Bacon was born in Ilminster in Somerset in 1214, and not as some believe near Ilchester in Somerset , though he has also been claimed by Bisley in Gloucestershire . His date of birth is equally uncertain. The only source is his statement in the Opus Tertium , written in 1267, that forty years have passed since I first learned the alphabet . The 1214 birth date assumes he was not being literal, and meant 40 years had passed since he matriculated at Oxford at the age of 13. If he had been literal, his birth date was more likely around 1220. In the same passage he reports that for all but two of those forty years he had always been engaged in study.

2. Roger Bacon --  Britannica Online Encyclopedia
   Britannica online encyclopedia article on Roger Bacon English Franciscan philosopher and educational reformer who was a major medieval proponent of  
   http://www.britannica.com/eb/article-9011664/Roger-Bacon
   
   Extractions: Commonly Asked Questions About Roger Bacon Close Enable free complete viewings of Britannica premium articles when linked from your website or blog-post. Now readers of your website, blog-post, or any other web content can enjoy full access to this article on Roger Bacon , or any Britannica premium article for free, even those readers without a premium membership. Just copy the HTML code fragment provided below to create the link and then paste it within your web content. For more details about this feature, visit our

3. Roger Bacon
   Roger Bacon was a friar living in 13th century England, who, hundreds of years after his death became popularly known as a powerful sorcerer.  
   http://www.mysteriousbritain.co.uk/occult/roger_bacon.html
   
   Extractions: Home Site Map Aleister Crowley John Dee Dr Simon Forman Roger Bacon Eliphas Levi Mother Shipton Golden Dawn Roger Bacon 1214 - 1292 Roger Bacon was a friar living in 13th century England, who, hundreds of years after his death became popularly known as a powerful sorcerer. He is most widely known among scholars as being one of the first people to use experimental methods in alchemy - the root of modern chemistry - and is also known for his application of geometry to the science of lenses, and early experiments in gunpowder. From his writing, and the events in his life, it is possible to see two sides to the man: a remarkably driven experimental scientist compared with his contempories, but also a man heavily influenced by the spiritual side of life reflected in his early leanings towards philosophy and his attachment to the Franciscan order. He was also remarkably outspoken for his day and was often on thin ice with his superiors. Roger Bacon was born in Ilchester in Somerset in the year 1214, it seems likely that he showed scholastic talent at an early age, his natural leaning in his younger years towards philosophy - especialy Greek philosophy of Aristotle. He also studied geometry, astronomy and mathematics. Roger moved to Paris around 1234, gaining a degree from the University of Paris around 1241, after which he started lecturing on the ideas and theories of Aristotle. Roger returned to Oxford from Paris around 1247, from where his interest in the sciences developed further. He experimented with lenses as an aid to correcting human vision - one of his more famous associations - following in the footsteps of Robert Grosseteste (the bishop of Lincoln). His experiments relied on modern experimental observation and recording, and became exaggerated into supernatural feats later in the 16th century, when many popular books were published about his powers.

4. SJSU Virtual Museum
   Roger bacon roger Bacon, was born in about 1220 AD. in England. He is remembered for his work in mathematics, and as a early advocate of the European  
   http://www.sjsu.edu/depts/Museum/bac.html
   
   Extractions: Roger Bacon, was born in about 1220 AD. in England. He is remembered for his work in mathematics, and as a early advocate of the European "scientific" method. He was a student at the university in Paris and later at Oxford in England. He became a Franciscan friar during the 1250s. His works include writings in mathematics, alchemy, and optics. He is known to have authored Compendium of the Study of Philosophy (1272) and Compendium of the Study of Theology (1292). During his life time he experimented with ideas about the development of gunpowder, flying machines, motorized vehicles, and telescopes. Bacon died in about 1292 AD. References Asimov, I. (1964). Asimov's Biographical Encyclopedia of Science and Technology: The Living Stories of More than 1000 Great Scientists from the Age of Greece to the Space Age Chronologically Arranged. Garden City, NY: Doubleday. A Biographical Encyclopedia of Scientists . New York: Facts on File. Howard, A.V. (1951). Chamber's Dictionary of Scientists . London: Chambers. Ireland, N.O. (1962).

5. Roger Bacon - LoveToKnow 1911
   ROGER BACON (c. 1214 c. 1294), English philosopher and man of science, was born near Ilchester in Somerset. His family appears to have been in good  
   http://www.1911encyclopedia.org/Roger_Bacon
   
   Extractions: ROGER BACON c. 1214 - c. 1294), English philosopher and man of science, was born near Ilchester in Somerset. His family appears to have been in good circumstances, but in the stormy reign of Henry III . their property was despoiled and several members of the family were driven into exile. Roger completed his studies at Oxford , though not, as current traditions assert, at Merton or at Brasenose, neither of which had then been founded. His abilities were speedily recognized by his contemporaries, and he enjoyed the friendship of such eminent men as Adam de Marisco and Robert Grosseteste bishop of Lincoln Very little is known of Bacon's life at Oxford; it is said he took orders in 1233, and this is not improbable. In the following year, or perhaps later, he crossed over to France and studied at the university of Paris , then the centre of intellectual life in Europe . The two great orders, Franciscans and Dominicans , were in the vigour of youth, and had already begun to take the lead in theological discussion.

6. Roger Bacon - Wikipedia, La Enciclopedia Libre
   Translate this page Biografía del pensador con enlaces a términos relevantes.  
   http://es.wikipedia.org/wiki/Roger_Bacon
   
   Extractions: Saltar a navegaci³n bºsqueda Estatua de Roger Bacon en el Museo de Historia Natural de Oxford Roger Bacon Ilchester , c. Oxford Fil³sofo cient­fico , y te³logo ingl©s . Conocido tambi©n como Doctor Mirabilis (en lat­n "Doctor Admirable"), fue uno de los frailes franciscanos m¡s famosos de su tiempo. Puso considerable ©nfasis en el empirismo y ha sido presentado como uno de los primeros pensadores que propusieron el moderno M©todo cient­fico , aunque estudios posteriores han enfatizado su dependencia de las tradiciones alqu­micas y del ocultismo. Estaba ­ntimamente familiarizado con los avances cient­ficos y filos³ficos del mundo ¡rabe , una de las civilizaciones m¡s avanzadas de su tiempo. Se piensa que Bacon naci³ cerca de Ilchester en Somerset, aunque segºn algunos fue en Bilsey, Gloucester. La fecha de nacimiento es igualmente incierta. La ºnica fuente es su afirmaci³n en el Opus Tertium, escrito en 1267, que "cuarenta a±os han pasado desde que aprend­ el alfabeto". La fecha de 1214 asume que significa que 40 a±os han pasado desde que se matricul³ en Oxford a la edad de 13. Si no quer­a decir eso, la fecha de nacimiento ser­a m¡s probable alrededor de 1220. Parece que la familia de Bacon era acomodada, pero durante el tormentoso reinado de Enrique III de Inglaterra perdieron sus propiedades y varios miembros de la familia fueron desterrados.

7. Roger Bacon
   Roger Bacon can be placed on the boundary between magic and science. This essay starts with a strong dissenting opinion on the existence of magic;  
   http://www.sacred-texts.com/aor/bacon/index.htm
   
   Extractions: Roger Bacon can be placed on the boundary between magic and science. This essay starts with a strong dissenting opinion on the existence of magic; but finishes by discussing how to create a 'Philosophers Egg'. In between, Bacon writes about the use of optics, gunpowder, and petroleum in warfare. In fact, Bacon is believed to have introduced gunpowder (a Chinese invention) to the West, and the rest, as they say, was history. He also makes some bold futurist statements, predicting powered ships, automobiles, flying machines, and scuba gear. As Arthur C. Clarke said, 'Any sufficiently advanced technology is indistinguishable from magic.'

8. Bacon Roger - Definition Of Bacon Roger By The Free Online Dictionary, Thesaurus
   Definition of bacon roger in the Online Dictionary. Meaning of bacon roger. What does bacon roger mean? bacon roger synonyms, bacon roger antonyms.  
   http://www.thefreedictionary.com/Bacon Roger
   
   Extractions: encyclopedia 0.06 sec. write_ads(AdsNum, 0) Bacon (b k n) Roger English scientist and philosopher who is noted for the wide range of his knowledge and writing on scientific topics. Bacon pioneered the idea that mathematics is fundamental to science and that experimentation is essential to test scientific theories. Biography

9. Roger Bacon - Wikipédia
   Translate this page Roger Bacon vai um passo além de seu tutor e descreve o método científico como um ciclo repetido de observação, hipótese, experimentação e necessidade de  
   http://pt.wikipedia.org/wiki/Roger_Bacon
   
   Extractions: Ele foi um fil³sofo inglªs que deu bastante ªnfase ao empirismo e ao uso da matem¡tica no estudo da natureza. Estudou nas universidades de Oxford e Paris . Contribuiu em ¡reas importantes como a Mec¢nica , a Filosofia , a Geografia e principalmente a “ptica Bacon viveu um per­odo onde o influxo de textos vindo do mundo ¡rabe revolucionava a vida intelectual do ocidente europeu, e ele foi bastante influenciado por eles e viria a ser um dos primeiros europeus de seu tempo a ensinar a filosofia de Arist³teles Por volta de ingressou para a Ordem dos Franciscanos , onde, fortemente influenciado por Robert Grosseteste , dedicou-se a estudos nos quais introduziu a observa§£o da natureza e a experimenta§£o como fundamentos do conhecimento natural. Roger Bacon vai um passo al©m de seu tutor e descreve o m©todo cient­fico como um ciclo repetido de observa§£o hip³tese experimenta§£o e necessidade de verifica§£o independente . Ele registrava a forma em que conduzia seus experimentos em detalhes precisos a fim de que outros pudessem reproduzir seus experimentos e testar os resultados - essa possibilidade de verifica§£o independente © parte fundamental do m©todo cient­fico contempor¢neo.

10. Roger Bacon - Wikipedia
    Translate this page Roger Bacon studierte an der Universität Oxford, hielt dann Vorlesungen über Aristoteles und pseudo-aristotelische Schriften. Er wurde vermutlich 1233  
    http://de.wikipedia.org/wiki/Roger_Bacon
    
    Extractions: Wechseln zu: Navigation Suche Statue Roger Bacons, Universit¤t Oxford : Museum f¼r Naturgeschichte Roger Bacon nahe Ilchester in Somerset oder in Oxford ), genannt Doctor Mirabilis Latein : "wunderbarer Lehrer"), war ein englischer Franziskaner -M¶nch und Philosoph und gilt als einer der ersten Verfechter empirischer Methoden. Die Jahresangaben sind unsicher; die Quellen differieren erheblich Roger Bacons Familie entstammte der oberen Mittelschicht, jedoch wurde w¤hrend der Herrschaft Heinrichs III. das Verm¶gen beschlagnahmt und zahlreiche Mitglieder der Familie ins Exil vertrieben. Roger Bacon studierte an der Universit¤t Oxford , hielt dann Vorlesungen ¼ber Aristoteles und pseudo-aristotelische Schriften. Er wurde vermutlich Baccalaureus und ging nach Frankreich, um an der Universit¤t Paris zu arbeiten, die das damalige Zentrum des intellektuellen Lebens in Europa war. An der Fakult¤t der Artes hielt er vielbesuchte Vorlesungen. Etwa

11. ROGER BACON
    Roger Bacon made lists of possible inventions 300 years before Leonardo da Vinci. There he described spectacles, flying machines, motorized ships and the  
    http://www.hyperhistory.com/online_n2/people_n2/persons5_n2/rbacon.html
    
    Extractions: English Philosopher Roger Bacon, a Franciscan of Oxford, is regarded as the forerunner of modern experimental science. Roger Bacon made lists of possible inventions 300 years before Leonardo da Vinci. There he described spectacles, flying machines, motorized ships and the process for making gun powder. His writings are a passionate tirade against ignorance. He combined his attack upon the ignorance of his time with suggestions for the increase of knowledge. But the novelty of his ideas led to his imprisonment in 1277. More about Bacon www link :

12. Roger Bacon - Wikipedia, Wolna Encyklopedia
    Roger Bacon (ok. 12141292) - angielski filozof redniowieczny i naukowiec, zwany doctor mirabilis, pochodzi prawdopodobnie z rodziny drobnoszlacheckiej,  
    http://pl.wikipedia.org/wiki/Roger_Bacon
    
    Extractions: Skocz do: nawigacji szukaj Roger Bacon (ok. angielski filozof średniowieczny i naukowiec, zwany doctor mirabilis Studiował zakazanego czasowo Arystotelesa , ze względu na zainteresowania naukowe - co jednak mieszało się z fascynacją neoplatonizmem okultyzmem i magią Był on przeciwnikiem spekulatywnego rozstrzygania problem³w filozoficznych. Za ważne uważał eksperymentalne badanie zjawisk z wykorzystaniem matematyki . Sam dokonywał licznych eksperyment³w i budował w tym celu przyrządy. Przewidział wiele wynalazk³w, kt³re zostały dopiero po wiekach skonstruowane (np. pojazdy mechaniczne, urządzenia optyczne), dostrzegając przy tym rolę ludzkiej wynalazczości. Zgodnie jednak ze swoją epoką do doświadczenia zaliczał doświadczenie mistyczne oraz "praobjawienie", kt³re zostało udzielone patriarchom żydowskim, a potem filozofom greckim. Roger Bacon był podejrzewany przez członk³w swojego zakonu o kontakty z siłami nieczystymi. Trudno sie temu dziwić, skoro opisywał swe niezwykłe wizje odkryć i wynalazk³w, daleko wyprzedzających epokę średniowiecza, jak np w poniższym wyjątku z jego dzieła: "Mogą być zbudowane okręty poruszające sie bez wioślarzy, mogące żeglować zar³wno po rzekach, jak i po morzu,prowadzone przez jednego człowieka z większą prędkością niż gdyby były pełne wioślarzy. Podobnie można skonstruować wozy jeżdżące bez użycia zwierząt pociągowych, napędzane niewiarygodną energią, tak jak podobno jeździły uzbrojone w kosy rydwany starożytnych. Mogą być zbudowane maszyny latające, takie że człowiek siedzący wewnątrz maszyny będzie nią kierował za pomocą pomysłowego mechanizmu i leciał przez powietrze jak ptak. Ponadto można sporządzić przyrządy, kt³re choć same niewielkie, wystarczą, aby podnieść lub przytłoczyć największe ciężary...Mogą też być skonstruowane przyrządy podobne do tych, kt³re wykonano na rozkaz

13. Roger Bacon
    Roger Bacon Taking reason and experience even further, Bacon taught that there is a double way of coming to the knowledge of things, one through the  
    http://latter-rain.com/eccle/baconr.htm
    
    Extractions: Roger Bacon by Jay Atkinson Roger Bacon was an English scholastic philosopher and also considered a scientist because he insisted on observing things for himself instead of depending on what people had written. Bacon was born into a wealthy family in 1214 and died in 1294. He was trained in the classics, geometry, arithmetic, music, and astronomy and was a student at the University of Paris as a young man and later an educational reformer at Oxford in England. He became a Franciscan friar at the age of 33. Bacon was regarded as the forerunner of the modern experimental method and advocated a scientific method of learning emphasizing observation, experimentation, mathematics and physics. He was a devotee of "true" experimental methods. It is said that he was more an advocate of experimental science than an actual practitioner of it, but was far ahead of others in the realm of natural science and accurate observation of phenomena. Bacon was energetic and zealous in the pursuit of experimental science. He was celebrated everywhere and was considered a kind of wonder worker. His writings are a fiery diatribe against ignorance. He was not opposed to religion and is writing in support of it, but his study of the Greek and Arab philosophers and writers showed him the defects of the system. He denounced four chief sources of ignorance: respect for authority; the sense of the ignorant crowd; custom; and the vain, proud unteachableness of our dispositions. This progressive breed of liberal thought would only get him in trouble.

14. Roger Bacon@Everything2.com
    Roger Bacon firmly believed in the philosopher s stone, and spent much of his time in search of it. His example helped to render all the learned men of the  
    http://everything2.com/index.pl?node=Roger Bacon

15. Roger Bacon - Britannica Concise
    Bacon, Roger English Franciscan philosopher and educational reformer who was a major medieval proponent of experimental science. Bacon studied mathematics  
    http://concise.britannica.com/ebc/article-9356329/Roger-Bacon
    
    Extractions: Print Article Email Article Cite Article English scientist and philosopher. He was educated at Oxford and the University of Paris and joined the Franciscan order in 1247. He displayed a prodigious energy and zeal in the pursuit of experimental science; his studies eventually won him a place in popular literature as a worker of wonders. He was the first European to describe in detail the process of making gunpowder, and he proposed flying machines and motorized ships and carriages. He therefore represents a historically precocious expression of the empirical spirit of experimental science, even though his actual practice of it seems to have been exaggerated. His philosophical thought was essentially Aristotelian, though he was critical of the methods of theologians such as Albertus Magnus and Thomas Aquinas , arguing that a more accurate experimental knowledge of nature would be of great value in confirming the Christian faith. He also wrote on mathematics and logic. He was condemned to prison c.

16. Roger Bacon - Wikipédia
    Translate this page Roger Bacon (1214 - 1294), surnommé doctor mirabilis (docteur admirable) en raison de sa science prodigieuse, philosophe et alchimiste anglais,  
    http://fr.wikipedia.org/wiki/Roger_Bacon
    
    Extractions: Aller   : Navigation Rechercher Pour les articles homonymes , voir Bacon Roger Bacon Roger Bacon ), surnomm© doctor mirabilis docteur admirable ) en raison de sa science prodigieuse, philosophe et alchimiste anglais , consid©r© comme le p¨re de la m©thode scientifique Roger Bacon est n©   Ilchester , dans le Somerset en Angleterre , en . Il entra chez les Franciscains en . Ayant ©tudi©   Oxford et   Paris , il se fixa   Oxford, enseignant en particulier Aristote Il se livra avec ardeur   l'©tude de toutes les sciences connues de son temps, surtout de la physique et acquit bient´t une instruction fort sup©rieure   son si¨cle. Quelques-uns de ses confr¨res, jaloux de son m©rite et irrit©s de ce qu'il avait censur© leurs mœurs dissolues, l'accus¨rent de sorcellerie magie , il fut condamn© et passa dans les cachots la plus grande partie de sa longue vie. € l'av¨nement du pape Cl©ment IV , qui l'avait en grande estime, il retrouva la libert© en , mais apr¨s la mort de ce pape ©clair©, il resta en butte   de nouvelles pers©cutions et fut enferm©   Paris, pendant dix ans, dans le couvent des Franciscains . Il ne sortit de prison que peu d'ann©es avant sa mort. On lui doit d'ing©nieuses observations sur l' optique (il e»t l'id©e de la trichromie ) et la r©fraction de la lumi¨re arc-en-ciel ros©e fontaines ... prismes - qui prend position pour la vision de Robert Grossetªte plut´t que celle d'

17. Roger Bacon And Francis Bacon
    Roger Bacon received much of his university training in Paris. He taught in Paris from about 1240 to 1247, following which he went to Oxford.  
    http://oak.cats.ohiou.edu/~piccard/entropy/bacon.html
    
    Extractions: Roger Bacon received much of his university training in Paris. He taught in Paris from about 1240 to 1247, following which he went to Oxford. In about 1257 he became a Franciscan friar. An English scholastic philosopher, Roger Bacon's three works proposing reforms of education, the Opus maius, Opus minus, and Opus tertium (prepared in 1267-68 at the request of Pope Clement IV), emphasized the importance of mathematics and experimentation. Through his emphasis on the study of the natural world using observation and exact measurement, Roger Bacon influenced subsequent scientific thought. An English essayist, lawyer, statesman, and philosopher, Francis Bacon had a major influence on the philosophy of science. After studying the law, Bacon was elected to Parliament in 1584, and served in the government until 1621, when he retired after being found guilty of accepting bribes. Francis Bacon was a contemporary of William Shakespeare: he was born a few years before Shakespeare, and died ten years after Shakespeare. In 1623 Francis Bacon published "On the Dignity and Growth of Sciences," which classified sciences under the general headings of history, poetry, and philosophy, and culminated in an inductive philosophy of nature.

18. Roger Bacon - Wikiquote
    Roger Bacon (c. 1214 – 1294), also known as Doctor Mirabilis (Latin wonderful teacher ), was an English theologian, philosopher and Franciscan friar.  
    http://en.wikiquote.org/wiki/Roger_Bacon
    
    Extractions: Jump to: navigation search Roger Bacon (c. 1214 – 1294), also known as Doctor Mirabilis (Latin: "wonderful teacher"), was an English theologian, philosopher and Franciscan friar. An English philosopher who placed considerable emphasis on empiricism, he was one of the earliest European advocates of the modern scientific method. Later studies have emphasized his reliance on occult and alchemical traditions. Sometimes known as the 'grandfather of science', he made a number of fundamental disoveries in the field of optics and chemistry, including gunpowder, but the scholastic practices of the period meant that his influence was limited. All his theoretical writings were originally in Latin. If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics. Opus Majus, bk. 1, ch. 4 Mathematics is the gate and key of the sciences. …Neglect of mathematics works injury to all knowledge, since he who is ignorant of it cannot know the other sciences or the things of this world. Opus Majus The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.

19. Roger Bacon - Crystalinks
    roger bacon (c. 1214 1294), also known as Doctor Mirabilis (Latin astounding teacher ), was one of the most famous Franciscan friars of his time.  
    http://www.crystalinks.com/bacon.html
    
    Extractions: Roger Bacon (c. 1214 ­ 1294), also known as Doctor Mirabilis (Latin: "astounding teacher"), was one of the most famous Franciscan friars of his time. He was an English philosopher who placed considerable emphasis on empiricism, and has been presented as one of the earliest advocates of the modern scientific method in the West; though later studies have emphasized his reliance on occult and alchemical traditions. He was intimately acquainted with the philosophical and scientific insights of the Arab world, one of the most advanced civilizations at the time. Early life Bacon is thought to have been born near Ilchester in Somerset, though he has also been claimed by Bisley in Gloucestershire. His date of birth is equally uncertain. The only source is his statement in the Opus Tertium, written in 1267, that forty years have passed since I first learned the alphabet. The 1214 birth date assumes he was not being literal, and meant 40 years had passed since he matriculated at Oxford at the age of 13. If he had been literal, his birth date was more likely around 1220. Bacon's family appears to have been well-off, but, during the stormy reign of Henry III of England, their property was despoiled and several members of the family were driven into exile.

20. CATHOLIC ENCYCLOPEDIA: Roger Bacon
    Philosopher, born at Ilchester, Somersetshire, about 1214; died at Oxford, perhaps 11 June, 1294.  
    http://www.newadvent.org/cathen/13111b.htm
    
    Extractions: Home Encyclopedia Summa Fathers ... S > Roger Bacon Philosopher , surnamed D OCTOR M IRABILIS , b. at Ilchester, Somersetshire, about 1214; d. at Oxford , perhaps 11 June, 1294. His wealthy parents sided with Henry III against the rebellious barons, but lost nearly all their property . It has been presumed that Robert Bacon, O.P., was Roger's brother; more probably he was his uncle. Roger made his higher studies at Oxford and Paris , and was later professor at Oxford (Franciscan school ). He was greatly influenced by his Oxonian masters and friends Richard Fitzacre and Edmund Rich, but especially by Robert Grosseteste and Adam Marsh , both professors at the Franciscan school , and at Paris by the Franciscan Petrus Peregrinus de Maricourt (see Schlund in "Archiv. Francisc. Histor.", IV, 1911, pp. 436 sqq.) They created in him a predilection for positive sciences , languages, and physics ; and to the last-mentioned he owed his entrance about 1240 (1251? 1257?) into the Franciscans , either at Oxford or Paris . He continued his learned work; illness, however, compelled him to give it up for two years. When he was able to recommence his studies, his superiors imposed other duties on him, and forbade him to publish any work out of the order without special permission from the higher superiors "under pain of losing the book and of

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