1. Guldin Paul Guldin. Born 12 June 1577 in St Gall (now Sankt Gallen), Switzerland Died3 Nov 1643 in Graz, Austria. Paul Guldin was named Habakkuk Guldin at his birth. http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Guldin.html

Paul Guldin Born: 12 June 1577 in St Gall (now Sankt Gallen), Switzerland Died: 3 Nov 1643 in Graz, Austria Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Paul Guldin was named Habakkuk Guldin at his birth. He became a goldsmith and worked at that during his teens. Although of Jewish descent his parents were Protestants but Guldin became a convert to Catholicism at the age of 20 and joined the Jesuit Order. At this point he changed his name to Paul. In 1609 he was sent to the Jesuit Collegio Romano in Rome where he studied under Clavius . After this he taught at Jesuit Colleges in Rome and Graz. He was also professor of mathematics at Vienna from 1623 until 1637 when he returned to Graz. In the middle of his years in Vienna he spent some time at the Silesian principality of Sagan. Guldin corresponded with Kepler , but on religious topics not mathematics or astronomy. Guldin's most important work is in 4 volumes. In Volume 1 centres of gravity are considered, in particular he discusses the centre of gravity of the Earth. Volume 2 contains Guldin's Theorem If a plane figure is rotated about an axis in its plane then the volume of the solid body formed is equal to the product of the area with the distance travelled by the centre of gravity Volume 3 contains work on cones, cylinders and solids of revolution.

2. Paul Guldin Paul Guldin. Paul Guldin, original name Habakkuk Guldin, born on June12, 1577 in St. Gallen, Switzerland, died on November 3, 1643 http://www.fact-index.com/p/pa/paul_guldin.html

Main Page See live article Alphabetical index Paul Guldin Paul Guldin , original name Habakkuk Guldin, born on June 12 in St. Gallen Switzerland , died on November 3 , mathematician and astronomer. Discovered the Guldinus theorem to determine the surface and the volume of a solid of rotation. This theorem was known in ancient times as Pappus's theorem. He has been a professor of mathematics in Graz and Vienna This article is from Wikipedia . All text is available under the terms of the GNU Free Documentation License

3. Paul Guldin | Mathe Board Lexikon Translate this page Paul Guldin. Definition, Erklärung, Bedeutung. Paul Guldin. enPaul Guldin ja?·? Paul Guldin, ursprünglich Habakuk Guldin (* 12. http://www.matheboard.de/lexikon/index.php/Paul_Guldin

Startseite Mathe Board Lexikon Mathe Tools ... Partner Das Mathe Board: Kostenlose Nachhilfe in Mathematik von der Grundschule bis zur Hochschule. A B C D ... Z Paul Guldin Definition, Erklärung, Bedeutung Verbessern Mitmachen Paul Guldin en:Paul Guldin Paul Guldin , ursprünglich Habakuk Guldin (* 12. Juni in St. Gallen 3. November in Graz ), war Astronom und Professor für Mathematik in Graz und Wien Lernte zuerst die Goldschmiedekunst, trat zum Katholizismus und nahm dabei den Vornamen Paul an. Kurz darauf tratt er in den Jesuiten orden in München ein. Dort erkannte man sein Talent für Mathematik und sandte ihn zur weiteren Ausbildung nach Rom. Anschließend lehrte er in Rom, Wien und Graz. Sein größtes Werk Centrobaryea erschien in 4 Büchern 1635, 1640 und 1641 in Wien und enthält die baryzentrische Regeln , heute Guldinschen Regeln genannt, mit denen man Volumen und Oberflächen von Rotationskörpern berechnen kann. Diese Regeln wurden allerdings schon ca. 300 v.Chr. von Pappos von Alexandria in seinem mathematischen Lehrbuch beschrieben, so dass es sich hier eigentlich um eine Wiederentdeckung handelt.

4. Cours De Mécanique - Guldin Translate this page guldin paul. Paul Guldin est surtout connu pour la redécouverte de deux théorèmesqu’il publia dans son Centrobaryca (1635-1641) et qui portent son nom http://isabtp.univ-pau.fr/~maron/mecanique/guldin.htm

GULDIN Paul Centrobaryca (1635-1641) et qui portent son nom: Ces théorèmes avaient été découverts par Pappus douze siècles auparavant et figurent dans sa Collection mathématique (CD Encyclopædia Universalis France, 1995) [Retour chap.5] Mis à jour le: 11/02/04

5. Cours De Mécanique - Biographies Translate this page mort.(CD Encarta 97). Retour chap.8. guldin paul (1577-1643). Biographieplus complète. Mathématicien suisse surtout connu pour http://isabtp.univ-pau.fr/~maron/mecanique/biograph.htm

BIOGRAPHIES SOMMAIRES CORIOLIS Gustave Gaspard: Mathématicien français (Paris 1792 - Paris 1843) [Biographie plus complète] Il est notamment connu pour un théorême de mécanique ( théorême de CORIOLIS) concernant l'accélération dans les mouvements composés et qui intervient, en particulier, dans l'étude des courants aériens. (Acad. Sc. 1836) - (Le Petit Robert, dictionnaire illustré des noms propres, 1995) Ingénieur et mathématicien français qui mit en évidence les "forces centrifuges composées", dites de Coriolis. Cet ingénieur des Ponts et Chaussées est l'auteur d'importants travaux en mécanique. En 1835, il démontra que l'accélération d'un mobile dans un référentiel en rotation est soumis à une complémentaire (force de Coriolis) perpendiculaire au sens de déplacement du mobile dans ce référentiel. Bien que de faible intensité à la surface de la Terre, cette force, produite par la rotation de la planète, influence la direction des courants marins et aériens. Elle produit une déviation vers l'est et explique, par exemple, le mouvement circulaire des ouragans. (CD Encarta 97) [Retour chap.4]

6. Paul Guldin Paul Guldin. Paul Guldin, originál jméno Habakkuk Guldin, narozenýna Cerven 12, 1577 v St. Gallen, Švýcarsko, umrel na Listopad http://wikipedia.infostar.cz/p/pa/paul_guldin.html

švodn­ str¡nka Tato str¡nka v origin¡le Paul Guldin Paul Guldin , origin¡l jm©no Habakkuk Guldin, narozen½ na Červen 12 v St. Gallen Å v½carsko , umřel na Listopad 3 , matematik a astronom. Zjistil Guldinus teor©m určovat povrch a objem pevn© l¡tky rotace. Tento teor©m byl zn¡m½ v starověku jak Pappus je teor©m. On byl profesor matematiky v Graz a V­deň Toto je strojov½ překlad čl¡nku z encyklopedie Wikipedia poř­zen½ překladačem Eurotran . Cel½ text je dostupn½ za podm­nek GNU FDL licence

7. Paul Guldin - Wikipedia Translate this page Paul Guldin. aus Wikipedia, der freien Enzyklopädie. Paul Guldin,ursprünglich Habakuk Guldin (* 12. Juni 1577 in St. Gallen http://de.wikipedia.org/wiki/Paul_Guldin

Paul Guldin aus Wikipedia, der freien Enzyklopädie Paul Guldin , ursprünglich Habakuk Guldin (* 12. Juni in St. Gallen 3. November in Graz ), war Astronom und Professor für Mathematik in Graz und Wien Lernte zuerst die Goldschmiedekunst, trat zum Katholizismus und nahm dabei den Vornamen Paul an. Kurz darauf tratt er in den Jesuitenorden in München ein. Dort erkannte man sein Talent für Mathematik und sandte ihn zur weiteren Ausbildung nach Rom. Anschließend lehrte er in Rom, Wien und Graz. Sein größtes Werk Centrobaryea erschien in 4 Büchern 1635, 1640 und 1641 in Wien und enthält die baryzentrische Regeln , heute Guldinschen Regeln genannt, mit denen man Volumen und Oberflächen von Rotationskörpern berechnen kann. Diese Regeln wurden allerdings schon ca. 300 v.Chr. von Pappos von Alexandria in seinem mathematischen Lehrbuch beschrieben, so dass es sich hier eigentlich um eine Wiederentdeckung handelt. Views Artikel Diskussion bearbeiten Versionen Persönliche Werkzeuge Anmelden Navigation Hauptseite Wikipedia-Portal Aktuelle Ereignisse Letzte Änderungen ... Spenden an Wikimedia Suche Werkzeuge Links auf diese Seite Verlinkte Seiten Spezialseiten Andere Sprachen English Diese Seite wurde zuletzt geändert um 23:24, 23. Feb 2004.

8. Liste Translate this page Girard Albert Gödel Kurt Graßmann Hermann Günther Green George Gregory JamesGrimaldi Francesco Maria Guldberg Cato Maximilian guldin paul Haas Wander http://www.minic.ac.at/ut/mathe/Liste.html

Abel Niels Henrik Abubacer Ibn Tofail Al Chwarismi Mohammed Ibn Musa Alembert Jean le Rond d' Abu Nasr Mohammed Anthemios von Tralles Apianus Petrus Archimedes Avempace Ibn Baddscha Babbage Charles Balmer Johann Jakob Banach Stefan Bernays Paul Bernoulli Jakob Bernoulli Johann Bessel Friedrich Wilhelm Bhaskara Bhaskara Atscharja Bolyai Bolzano Bernhard Boole George Borel Bouguer Pierre Bradwardine Thomas Brianchon Charles Julien Briggs Henry Brouwer Luitzen Egbertus Jan Bruns Heinrich Ernst Joost Cantor Georg Cantor Moritz Constantin Cardano Geronimo Cartan Elie Joseph Cassini Giovanni Domenico Cauchy Augustin Louis Cavalieri Francesco Bonaventura Cayley Arthur Ceva Giovanni Christoffel Elwin Bruno Clairault Alexis-Claude Clebsch Alfred Condorcet Antoine Caritat Coriolis Gaspard Gustave Cournot Antoine Augustin Cramer Gabriel Cremona Luigi Dandelin Germinal Pierre Dedekind Richard De Morgan Augustus Desargues Descartes Dirichlet Peter Gustav Lejeune Euklid Euler Leonhard Fagnano Giulio Cesare Fermat Pierre de Feuerbach Karl Fibonacci Leonardo Finsterwalder Sebastian Fourier Jean Baptiste Joseph Galilei Galileo Galois Gassendi Petrus Carl Friedrich Gegenbauer Leopold Girard Albert Kurt Green George Gregory James Grimaldi Francesco Maria Guldberg Cato Maximilian Guldin Paul Haas Wander Johannes de Haitham Ibn al-Haitham Hamilton Sir William Rowan Harriot Thomas Hawking Stephen William Hayashi Tsuruichi Hesse Ludwig Otto Hilbert David Husserl Edmund Huygens Christiaan Jacobi Carl Gustav Jakob Paul von Jeans Sir James Hopwood Jungius Joachim Kahn Hermann

9. Paul Guldin Toys Games. Click Here. Encyclopedia. Main Page See live article, Paul Guldin.Paul Guldin, original name Habakkuk Guldin, born on June 12, 1577 in St. http://www.sciencedaily.com/encyclopedia/paul_guldin

Match: sort by: relevance date Free Services Subscribe by email RSS newsfeeds PDA-friendly format loc="/images/" A A A Find Jobs In: Healthcare Engineering Accounting College Contract / Freelance Customer Service Diversity Engineering Executive Healthcare Hospitality Human Resources Information Tech International Manufacturing Nonprofit Retail All Jobs by Job Type All Jobs by Industry Relocating? Visit: Moving Resources Moving Companies Mortgage Information Mortgage Calculator Real Estate Lookup Front Page Today's Digest Week in Review Email Updates ... Outdoor Living Encyclopedia Main Page See live article Paul Guldin Paul Guldin , original name Habakkuk Guldin, born on June 12 in St. Gallen Switzerland , died on November 3 , mathematician and astronomer. Discovered the Guldinus theorem to determine the surface and the volume of a solid of rotation. This theorem was known in ancient times as Pappus's theorem . He was a professor of mathematics in Graz and Vienna Note: The original source of this article can be found on the main Wikipedia Web site. This article is licensed under the GNU Free Documentation License , which means that you can copy and modify it as long as the entire work (including additions) remains under this license.

10. Guldin, Paul (1577-1643) -- From Eric Weisstein's World Of Scientific Biography guldin, paul (15771643), Swiss mathematician who rediscovered Pappus s theorem,which for this reason is sometimes known as the guldinus theorem. . http://scienceworld.wolfram.com/biography/Guldin.html

Branch of Science Mathematicians Nationality Swiss Guldin, Paul (1577-1643) Swiss mathematician who rediscovered Pappus's theorem which for this reason is sometimes known as the "Guldinus theorem." Additional biographies: MacTutor (St. Andrews)

11. Paul Guldin, S.J. 1577 to 1643) applications of. guldin's Rule. guldin's Rule. paul guldin was born Habakuk guldin in Saint Gall, Switzerland to a Jewish family and in 1643 died in Gratz. He later converted to Catholicism and changed his name to paul. ordained a Jesuit priest. paul guldin's second volume of De centro gravitatis http://www.faculty.fairfield.edu/jmac/sj/scientists/guldin.htm

Paul Guldin, S.J. (1577 to 1643) applications of Guldin's Rule Guldin's Rule Paul Guldin was born Habakuk Guldin in Saint Gall, Switzerland to a Jewish family and in 1643 died in Gratz. He later converted to Catholicism and changed his name to Paul. Paul entered the Jesuit Society as a Coadjutor Brother, and after a few years he was asked to become a Jesuit Scholastic and then was later ordained a Jesuit priest. Paul Guldin's second volume of De centro gravitatis contains what is known as Guldin's rule: "If any plane figure revolves about an external axis in its plane, the volume of the solid so generated is equal to the product of the area of the figure and the distance traveled by the center of gravity of the figure." Guldin did not know that the fundamental theorem which bears his name and which he used extensively, is found in a somewhat vague form in the Collection of the well-known Greek mathematician Pappus (ca. A.D. 300). Nevertheless Guldin has been unjustly accused of plagiarism by earlier writers. This defamation has been thoroughly refuted, however, by recent historians expert in that period, such as Paul Ver Ecke, who shows that the translation of Pappus available to Guldin, and faithfully quoted by him, lacked the theorem in question. Furthermore, he demonstrates that the accusation against Guldin is weakened by the fact that various geometers who lived at about the same time as Guldin did not credit Pappus with this theorem but Guldin. Among these writers is the noted astronomer Kepler, who presented applications of Guldin's theorem. The injustice of the slight to Guldin is emphasized in an article in Science Magazine (Science vol. 64, #1652 8/27/26 p. 205.)

12. Guldin, Paul Translate this page paul guldin. paul guldin wurde 1577 in St. Gallen geboren und starb 1643in Graz. Der gelernte Goldschmied trat 1597 dem Jesuitenorden bei. http://www.mathe.tu-freiberg.de/~hebisch/cafe/guldin.html

Paul Guldin Paul Guldin wurde 1577 in St. Gallen geboren und starb 1643 in Graz. Der gelernte Goldschmied trat 1597 dem Jesuitenorden bei. Dort wurde er in Mathemetik ausgebildet und lehrte dann Mathematik an Schulen in Rom und Graz und später auch an der Universität in Wien. Bekannt ist Guldin durch seine Regeln zur Bestimmung von Rotationskörper-Volumina . Des weiteren verfasste Guldin unter anderem Schriften über die Bewegung der Erde als Folge von Gravitationswirkungen und über Logarithmen und Kegelschnitte. Weiterhin behandelte er 1635 in seiner "Centrobaryca" die Bogenlänge der archimedischen Spirale In seinem Werk De dimensione Linearum Spiralium ("Über die Länge der Spirallinie") stellt er folgende falsche These auf: "Die Linie der Spirale erster Umdrehung ist der Hälfte des Umfangs des ersten Kreises gleich." Dieser Fehler entstand aufgrund der unzulässigen Übertragung der von Archimedes für die Flächenbestimmung entwickelten Methode. Guldin ersetzt Teile des Spiralbogens durch Kreisbögen, so wie Archimedes Teile der Spiralfläche durch Kreissektoren nähert, und berechnet den Grenzwert der Summe dieser Kreisbögen für eine beliebig feine Unterteilung. Jedoch vergisst er, im Gegensatz zu Archimedes

13. Special Collections | The Dibner Library Of The History Of Science And Technolog A rare twovolume work on centers of gravity. guldin, paul. De centro gravitatis contains the noted theorem now named for guldin "If any plane figure revolves about an external http://www.sil.si.edu/libraries/Dibner/newacq_2001.htm

2003 Highlights 2002 Highlights 2000 Highlights The Dibner Library acquires a Herald of Science: Joseph Lister's classic work of 1867, "On the antiseptic principle in the practice of surgery." Lister, Joseph (1827-1912). "On a new method of treating compound fracture, abscess, etc., with observations on the conditions of suppuration," in Lancet (1867): 95-96. WITH: "On the antiseptic principle in the practice of surgery," in Lancet (1867): 353-356, 668-669. Together two volumes of the Lancet, 4to. [2], 818; [2], 826 pp. The Dibner Library obtains another Herald of Science: A set of Acts of Parliament relating to the longitude problem. Recently the Dibner Library acquired a collection of Acts of the British Parliament and two period newspaper articles relating to the longitude problem and calendar reform. The purchase of the set was made possible with the Special Collections Endowment Fund. The importance of solving the problems of longitude and calendar reform were critical to the history of science and technology and this collection will enhance the research and exhibition values of the Dibner Library's holdings. "An Act for rendering more effectual an Act made in the twelfth year of the reign of her late majesty Queen Anne, intituled, 'An Act for providing a publick reward for such person or persons as shall discover the longitude at sea', with regard to the making experiments of proposals made for discovering the longitude" (1762)

14. Biography-center - Letter G .edu/art/collections/bio/a11421.html. Gauguin, paul. www.norfacad.pvt.k12.va.us/project/ rfrost/frost .com/biography/guino.htm. guldin, paul. www-history.mcs.st-and.ac http://www.biography-center.com/g.html

Visit a random biography ! Any language Arabic Bulgarian Catalan Chinese (Simplified) Chinese (Traditional) Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hebrew Hungarian Icelandic Indonesian Italian Japanese Korean Latvian Lithuanian Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Turkish G 558 biographies www.pathfinder.com/time/time100/scientist/profile/godel.html www-history.mcs.st-and.ac.uk/~history/Mathematicians/Godel.html www-history.mcs.st-and.ac.uk/~history/Mathematicians/Gopel.html G.i., American www.pathfinder.com/time/time100/heroes/profile/gi01.html Gabbiani, Beppe www.grandprix.com/gpe/drv-gabbep.html Gabelich, Gary www.hickoksports.com/biograph/gabelichg.shtml Gable, Daniel M. www.hickoksports.com/biograph/gabledan.shtml Gabor, Dennis www.nobel.se/physics/laureates/1971/gabor-autobio.html Gachot, Bertrand www.grandprix.com/gpe/drv-gacber.html Gaddi, Taddeo www.kfki.hu/~arthp/bio/g/gaddi/taddeo/biograph.html Gadgil, Ashok web.mit.edu/invent/www/inventorsA-H/gadgil.html Gadgil, Ashok

15. The Anniston Star - Residents Receive PCB Settlement Checks paul and Joyce guldin stand in their backyard next to Choccolocco Creek paul and Joyce guldin never expected $999.30 from Monsanto Company. http://www.annistonstar.com/news/2001/as-localnews-0903-ebluemink-1i02v1104.htm

SECTIONS Front Page News • Anniston • Oxford • Jacksonville • Calhoun County • Clay County • Cleburne County • Randolph County • Talladega County • Legislature • State • Nation • World Sports Lifestyle Entertainment Business Religion Technology Community Classroom Opinion Columns Obituaries Almanac Classifieds ISSUES Iraq 9/11 Memorial PCBs Incineration McClellan Message Board SEARCH Search Archives: Browse Articles Web Directory DIRECTORIES Star Homes Local Churches Local Businesses SERVICES Get The Star Advertise About Us Contact Us Crossword Jigsaw Puzzle Society Make Me Smile WEATHER Current Radar Hourly Past 24 ... SPECIAL REPORT VIDEO SPECIAL REPORT GALLERY GALLERY GALLERY ... HELP N ORTHEAST A LABAMA Residents receive PCB settlement checks Elizabeth Bluemink Paul and Joyce Guldin stand in their backyard next to Choccolocco Creek. After receiving a $999.33 check from Monsnto, the couple is unsure whether they will chash it. Bill Wilson/The Anniston Star Paul and Joyce Guldin never expected $999.30 from Monsanto Company. Now that they are holding this check for PCB-related property damages, they aren't sure what they are going to do with it. To cash or not to cash is the question. About 5,000 property owners along Choccolocco Creek and Lake Logan Martin are receiving similar checks as a result of the recent disbursement of the $43.7 million Dyer and Shelter Cove vs. Monsanto class action settlement. About $21 million was allocated to environmental cleanup and $10.9 million is now being disbursed to the class members.

16. Guldin, Paul guldin, paul. Note the creators of the Galileo Project and this catalogue cannot answer email on genealogical order, changing his name from Habakkuk to paul. It is of interest http://es.rice.edu/ES/humsoc/Galileo/Catalog/Files/guldin.html

Catalog of the Scientific Community Guldin, Paul Note: the creators of the Galileo Project and this catalogue cannot answer email on genealogical questions. 1. Dates Born: St. Gall, Switzerland, 12 June 1577 Died: Graz, Austria (Ge), 3 Nov 1643 Dateinfo: Dates Certain Lifespan: 2. Father Occupation: Unknown No information on financial status. 3. Nationality Birth: St. Gall, Switzerland Career: Italy and Germany Death: Graz, Austria 4. Education Schooling: Collegio Romano, D.D. 1609, he was sent to Rome by the Jesuit order for further education. He studied at the Collegio Romano under Clavius. I assume a B.A. As a Jesuit he would have had a doctorate in theology, even though he does not appear to have advanced to the fourth vow. 5. Religion Affiliation: Jew, Catholic. He was of Jewish descent, but his parents were protestant and he was raised as such. But in 1597 he converted to Catholicism and entered the Jesuit order, changing his name from Habakkuk to Paul. It is of interest that the order recognized his talents rather late; although he received the full education, he remained a "spiritual coadjutor" and was not admitted to the fourth vow. Can this mean that the order chose not to recognize the talents of a Jew? 6. Scientific Disciplines

17. G Index Xu (1507) Guarini, Guarino (962*) Guccia, Giovanni (582) Gudermann, Christoph(568) Guenther, Adam (533) Guinand, Andrew (529*) guldin, paul (210*) Gunter http://www-gap.dcs.st-and.ac.uk/~history/Indexes/G.html

Names beginning with G The number of words in the biography is given in brackets. A * indicates that there is a portrait. Galerkin Boris (463*) Galileo Galilei (4326*) Gallarati , Dionisio (486*) Galois , Evariste (2110*) Galton , Francis (2060*) Gan De Gassendi , Pierre (284*) Gauss , Carl Friedrich (2364*) Geber , (Jabir ibn Aflah) (529) Gegenbauer , Leopold (123*) Geiringer , Hilda von Mises (1469*) Geiser , Karl (258*) Gelfand , Israil (1090*) Gelfond , Aleksandr (226*) Gellibrand , Henry (199) Geminus Gemma Frisius , Regnier (1774*) Geng Zhi Zu Genocchi , Angelo (858*) Gentry , Ruth (701) Gentzen , Gerhard (1519*) Gerard of Cremona (668) Gergonne , Joseph (1116) Gerhard of Cremona (668) Germain , Sophie (1063*) Giorgi , Ennio de (1447) Gerson , Levi ben (268) Gherard of Cremona (668) Ghetaldi , Marino (235) Gibbs , J Willard (1028*) Girard, Albert Girard, Pierre Simon (210*) Glaisher , James (963*) Glenie , James (103) Gnedenko , Boris (2103*) , Kurt (2256*) Gohberg , Israel (640*) Goldbach , Christian (160) Goldstein , Sydney (350*) Gompertz , Benjamin (516*) Gongora , Siguenza y (566) Goodstein , Reuben (425*) , Adolph (251) Gordan , Paul (958*) Gorenstein , Daniel (1300*) Gosset , William (644*) Goursat , Edouard (156*) Govindasvami , Karl (140) Graham, Fan Chung

18. Blank Entries From Eric Weisstein's World Of Scientific Biography Translate this page James (1638-1675) Grimaldi, Francesco Maria (1618-1663) Gudermann, Christof 1798-1852)Guldberg, Cato (1836-1902) guldin, paul (1577-1643) Hadamard, Jacques http://scienceworld.wolfram.com/biography/blank-entries.html

Please consider contributing or extending the following entries. For more information about making contributions, see the page on contributing . Please send contributions to scienceworld@wolfram.com Abbe, Ernst (1840-1905) Adams, John Couch (1819-1892) Aepinus, Franz (1724-1802) ... Zwicky, Fritz (1898-1974)

19. Guldin Biography of paul guldin (15771643) paul guldin. Born 12 June 1577 in St Gall (now Sankt Gallen), Switzerland Main index. paul guldin was named Habakkuk guldin at his birth http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Guldin.html

Paul Guldin Born: 12 June 1577 in St Gall (now Sankt Gallen), Switzerland Died: 3 Nov 1643 in Graz, Austria Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Paul Guldin was named Habakkuk Guldin at his birth. He became a goldsmith and worked at that during his teens. Although of Jewish descent his parents were Protestants but Guldin became a convert to Catholicism at the age of 20 and joined the Jesuit Order. At this point he changed his name to Paul. In 1609 he was sent to the Jesuit Collegio Romano in Rome where he studied under Clavius . After this he taught at Jesuit Colleges in Rome and Graz. He was also professor of mathematics at Vienna from 1623 until 1637 when he returned to Graz. In the middle of his years in Vienna he spent some time at the Silesian principality of Sagan. Guldin corresponded with Kepler , but on religious topics not mathematics or astronomy. Guldin's most important work is in 4 volumes. In Volume 1 centres of gravity are considered, in particular he discusses the centre of gravity of the Earth. Volume 2 contains Guldin's Theorem If a plane figure is rotated about an axis in its plane then the volume of the solid body formed is equal to the product of the area with the distance travelled by the centre of gravity Volume 3 contains work on cones, cylinders and solids of revolution.

20. Spiralen In Naturwissenschaft, Technik Und Kunst - Guldin, Paul Translate this page 4. Forscher. 4.8 paul guldin. paul guldin wurde 1577 in St. Gallen geboren undstarb 1643 in Graz. Der gelernte Goldschmied trat 1597 dem Jesuitenorden bei. http://www.mathe.tu-freiberg.de/~hebisch/aspiralen/bio/guldin.html

Internet-Projekt für Theoretische Mathematik Spiralen in Naturwissenschaft, Technik und Kunst Dieses Dokument wurde während der Pojektwoche duch Susanne Helbig, Kareen Henkel und Jan Kriener des Beruflichen Gymnasiums für Technik "Julius Weisbach" erstellt. 4. Forscher 4.8 Paul Guldin Paul Guldin wurde 1577 in St. Gallen geboren und starb 1643 in Graz. Der gelernte Goldschmied trat 1597 dem Jesuitenorden bei. Dort wurde er in Mathemetik ausgebildet und lehrte dann Mathematik an Schulen in Rom und Graz und später auch an der Universität in Wien. Bekannt ist Guldin durch seine Regeln zur Bestimmung von Rotationskörper-Volumina. Des weiteren verfasste Guldin unter anderem Schriften über die Bewegung der Erde als Folge von Gravitationswirkungen und über Logarithmen und Kegelschnitte. Weiterhin behandelte er 1635 in seiner "Centrobaryca" die Bogenlänge der archimedischen Spirale In seinem Werk "De dimensione Linearum Spiralium" ("Über die Länge der Spirallinie") stellt er folgende falsche These auf: "Die Linie der Spirale erster Umdrehung ist der Hälfte des Umfangs des ersten Kreises gleich."

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