21. Mathematician (from Eudoxus Of Cnidus) --  Encyclopædia Britannica of proportions (equal ratios) forms the basis for the general account ofproportions found Collection of biographies of noted female mathematicians. http://www.britannica.com/eb/article-2181

Home Browse Newsletters Store ... Subscribe Already a member? Log in Content Related to this Topic This Article's Table of Contents Introduction Life Mathematician Astronomer Assessment Additional Reading Print this Table of Contents Shopping Price: USD $1495 Revised, updated, and still unrivaled. The Official Scrabble Players Dictionary (Hardcover) Price: USD $15.95 The Scrabble player's bible on sale! Save 30%. Merriam-Webster's Collegiate Dictionary Price: USD $19.95 Save big on America's best-selling dictionary. Discounted 38%! More Britannica products Eudoxus of Cnidus Page 3 of 6 Mathematician Eudoxus's contributions to the early theory of proportions (equal ratios) forms the basis for the general account of proportions found in Book V of Euclid 's Elements (c. 300 BC Eudoxus of Cnidus... (75 of 1053 words) var mm = [["Jan.","January"],["Feb.","February"],["Mar.","March"],["Apr.","April"],["May","May"],["June","June"],["July","July"],["Aug.","August"],["Sept.","September"],["Oct.","October"],["Nov.","November"],["Dec.","December"]]; To cite this page: MLA style: "Eudoxus of Cnidus."

22. German American Corner: EINSTEIN, Albert (1879-1955) Since the time of the English mathematician and physicist Sir Isaac Newton, On the basis of the general theory of relativity, Einstein accounted for http://www.germanheritage.com/biographies/atol/einstein.html

Visit the German Corner Home Page Privacy Statement German Corner Website German-American Mall ... Next Page EINSTEIN, Albert (1879-1955) Quotation: God is subtle but he is not malicious. ALBERT EINSTEIN, attributed[This is inscribed over a fireplace in Fine Hall at Princeton University.] I, at any rate, am convinced that He [God] is not playing at dice. ALBERT EINSTEIN, letter (1926) Imagination is more important than knowledge. ALBERT EINSTEIN, On Science Nationalism is an infantile disease. It is the measles of mankind. ALBERT EINSTEIN, attributed Science without religion is lame, religion without science is blind. ALBERT EINSTEIN, Out of My Later Years The whole of science is nothing more than a refinement of everyday thinking. ALBERT EINSTEIN, Out of My Later Years The eternal mystery of the world is its comprehensibility. Home Biographies On-Line Books History Essays ... Links Davitt Publications. For more information contact history@germanheritage.com

23. The NSDL Scout Report For Mathematics Engineering And Technology-- Volume 3, Num With this website, mathematics fans can honor at least one mathematician a day The Indexes of biographies starts in 500 AD and goes to the present, http://scout.wisc.edu/Reports/NSDL/MET/2004/met-040604-general.php

@import url("ginclude/ScoutPageStructure.css"); @import url("ginclude/ScoutContentStructure.css"); Home The Scout Report Archives Projects ... Feedback Log In: Password: Forget your password? Create a Log In General Printable Page Internet Scout Project NSDL Scout Reports Math, Engineering, and Technology ... General Electronic Frontier Foundation: E-voting Archive [pdf] http://www.eff.org/Activism/E-voting/ EFF argues that, "communities across America are purchasing electronic voting (e-voting) machines, but the technology has serious security problems that aren't being addressed." The EFF website seeks to alert the public to a debate between researchers who have raised concerns with the security of the technology and one manufacturer's attempt to terminate those criticisms. The archive is "a resource in the fight for accountable elections and responsible voting technology." Resources include amicus briefs, testimonies, standards, independent research, media coverage and related websites. [VF] Back to Contents Back to Top National Do Not Call Registry https://www.donotcall.gov/default.aspx

24. Read This: The Mathematical Explorer The inquisitive user will soon get the general idea and may take the initiative to It also allows one to search for concepts, mathematician biographies, http://www.maa.org/reviews/mathexplore.html

Search MAA Online MAA Home Read This! The MAA Online book review column The Mathematical Explorer by Stan Wagon and Wolfram Research Reviewed by Marvin Schaefer Readers of Read This! are probably familiar with Stan Wagon as a prolific author and educator. Many of his papers have appeared in the Monthly and Mathematics Magazine , and the MAA has published two of his seven books: Which Way Did the Bicycle Go? (with J. D. E. Konhauser and Dan Velleman) and Old and New Unsolved Problems in Plane Geometry and Number Theory (with Victor Klee). The Mathematical Explorer is an electronic book divided into 15 chapters: Prime Numbers, Calculus, Formulas for Computing Pi, Square Wheels, The Power of Check Digits, Secret Codes, Recreational Mathematics, Exploring Escher Patterns, Varieties of Roses, Turtle Fractalization, Patterns in Chaos, Fermat's Last Theorem, Riemann Hypothesis, Unusual Number Systems, and The Four Color Theorem. Each chapter has several subchapters. Far more mathematical topics are covered than is suggested by the chapter titles, including: continued fractions, Diophantine equations, modular arithmetic, the Buffon Needle Problem, Fibonacci numbers, the Brachistochrone Problem, etc. The purpose of The Mathematical Explorer is explained in its Introduction: The Mathematical Explorer The treatment of each topic is designed to be educational as well as entertaining; it includes a clear explanation of the important concepts along with fascinating cultural and historical details. Many topics have a strong computational thread, while still others are best understood through graphical visualization. Integrated with

25. Biographies The French mathematician and scientist Cauchy contributed to just about every branch De Morgan is best known for the general principle of duality in set http://www.fmi.uni-sofia.bg/vesta/Virtual_Labs/resources/resources3.html

Biographical Notes Bayes was a non-conformist minister in England. A version of what is now known as Bayes’ theorem was used in his paper "Essay towards solving a problem in the doctrine of chances," published in the Philosophical Transactions of the Royal Society of London in 1764. James Bernoulli was the first of the famous Bernoulli family of Swiss mathematicians. He wrote one of the early books devoted to probability, Ars Conjectandi , which was published after his death in 1713. Bernoulli formulated the version of the law of large numbers for independent trials, now called Bernoulli trials, and studied the binomial distribution. Buffon was the director of the Paris Jardin du Roi and was best known during his time for his thirty-six volume work on natural history. Buffon's famous coin and needle problems are considered to be among the first problems in geometric probability. Cardano, who lived in Italy, was a man of many interests: law, medicine, astrology, gambling, and mathematics. His book Liber de Ludo Aleae (The Book on Games of Chance), published after his death in 1663, contained perhaps the first mathematical analysis of gambling.

26. Helpful Links: Math--Homeschool Christian.com A listing of links for math including these subtitles general, RivendellEducational Archive mathematician biographies, Fractal Image Gallery. http://www.homeschoolchristian.com/Links/Math/

Web HSC Helpful Links: Math Note: Although you may see links highlighted in a certain category, such as geometry, one site may cover many areas of math. Curriculum Providers Key Curriculum Press Award winning math publisher produces math textbooks and the "Key To..." books. Math-U-See A math curriculum based on the use of manipulatives that is gaining popularity within homeschooling. The videos are a great help. The slogan "Build, Say, Write" is the theme throughout, pointing out that the children need to understand what they are doing before they do any worksheets. Be sure to see our interview Modern Curriculum Press Makers of math and phonics books. The Phonics books are also known as the "Plaid books." Saxon Math Not only does this site tell you about their products, but there is an online placement test as well as some helpful interactive drill programs to be used while on-line. Silver Burdett Ginn Mathematics Publisher of math textbooks, this Web site has information as well as Internet activities for kids and printable worksheets. General Math Animated Math Glossary from Harcourt Brace. This is really cool! Grades 1-8

27. Math Literature Ask Dr. Math This is by far the best general resource on math for 3 stars Women mathematician biographies - Lots and lots of biographies. http://www.geocities.com/Athens/Parthenon/7726/mathematics.html

HTML> Literature Ask Dr. Math - This is by far the best general resource on math for high-school students that I have found. Questions and answers for high-school level math questions are located at this site. You can also ask Dr. Math your own question. If you cant find your answer there, check out the College-level questions and answers. WebMath: The Internet site that solves your math problems This site has many sample math problems and solutions for high school level math. The types of problems covered fall into these categories: everyday math, numbers, fractions, graphing, simplifying expressions, polynomials, factoring polynomials, quadratic equations, word problems, and even a little physics. DAU Math Refresher A great site with Algebra and elementary Calculus help. This site also has online tests you can take after completing the math tutorials. GCSE Mathematics Tutorials This page inclues short, but useful tutorials on negative numbers, probability, and basic trigonometry. The tutorials are well explained and laid out usin Java. This site also has math questions on algebra, functions, graphs, probability, and trigonometry. Daves Math Tables This is not a tutorial, but its a great way to look up math identities and such. Math subjects covered include general math, algebra, geometry, trig, statistics, and calculus.

28. Multnomah County Library Homework Center - Biographies - Homework Center - Multn Mathematicians Native Americans Nobel Prize Laureates Oregon biographies http//www.rembrandthuis.nl general information about the house as well as http://www.multcolib.org/homework/biohc.html

skip navigation links Log in Search this site About the library ... Homework Center Biographies Biography megasites African Americans Astronauts Athletes ... Women of the West Biography megasites Biographies http://odur.let.rug.nl/~usa/B/ Historical people related to American History. Biographical Dictionary http://www.s9.com/biography/ Formerly named Notable Citizens of Planet Earth, this updated version is a biographical dictionary with over 19,000 people indexed. Biography http://www.infoplease.com/people.html More than 30,000 biographies from Infoplease.com. Biography.com http://www.biography.com/ A database of 25,000 people - past and present. The Biography Maker http://www.bham.wednet.edu/bio/biomaker.htm "The Biography Maker is like those homework machines we have been hearing about for many years. It is designed to help you convert facts into insights, dull and boring information into fascination and magic." Colonial Hall: Biographies of the Founding Fathers http://www.colonialhall.com/biography.php Biographies of all of the founding fathers who signed the Declaration of Independence. Each is approximately one page of text. Conversations with History http://globetrotter.berkeley.edu/conversations/

29. Biographies General Curriculum biographies of Women Mathematicians, Men weren t the only minds behind greatmathematical discoveries. Throughout history, women have made a significant http://district.sbschools.net/ite/test/curricpages/gc_biographies.htm

Biographies You will find more than 30,000 biographies on people of interest by using this comprehensive search site. The information, which has been compiled from a variety of almanacs, encyclopedias, Web sites, and dictionaries, is organized into three categories from which you may choose to conduct your search. Biographies of Women Mathematicians Men weren't the only minds behind great mathematical discoveries. Throughout history, women have made a significant contribution to the world of math. Research a particular mathematician, or visit the list of prizes and degrees awarded to women. Black History Biographies Women's Biographies Back to Previous Page Grade Level Index ... To ITE Main Page Feedback or Concerns? E-mail

30. Isaac Newton (1642 - 1727) Laplace, who is in general very sparing of his praise, makes of Newton the This page is included in a collection of mathematical biographies taken from http://www.maths.tcd.ie/pub/HistMath/People/Newton/RouseBall/RB_Newton.html

Sir Isaac Newton (1642 - 1727) From `A Short Account of the History of Mathematics' (4th edition, 1908) by W. W. Rouse Ball. The mathematicians considered in the last chapter commenced the creation of those processes which distinguish modern mathematics. The extraordinary abilities of Newton enabled him within a few years to perfect the more elementary of those processes, and to distinctly advance every branch of mathematical science then studied, as well as to create some new subjects. Newton was the contemporary and friend of Wallis, Huygens, and others of those mentioned in the last chapter, but though most of his mathematical work was done between the years 1665 and 1686, the bulk of it was not printed - at any rate in book-form - till some years later. I propose to discuss the works of Newton more fully than those of other mathematicians, partly because of the intrinsic importance of his discoveries, and partly because this book is mainly intended for English readers, and the development of mathematics in Great Britain was for a century entirely in the hands of the Newtonian school. Isaac Newton was born in Lincolnshire, near Grantham, on December 25, 1642, and died at Kensington, London, on March 20, 1727. He was educated at Trinity College, Cambridge, and lived there from 1661 till 1696, during which time he produced the bulk of his work in mathematics; in 1696 he was appointed to a valuable Government office, and moved to London, where he resided till his death.

31. Rene Descartes (1596 - 1650) In his letters Descartes illustrated his theory by giving the general rule This page is included in a collection of mathematical biographies taken from http://www.maths.tcd.ie/pub/HistMath/People/Descartes/RouseBall/RB_Descartes.htm

From `A Short Account of the History of Mathematics' (4th edition, 1908) by W. W. Rouse Ball. We may consider Descartes as the first of the modern school of mathematics. was born near Tours on March 31, 1596, and died at Stockholm on February 11, 1650; thus he was a contemporary of Galileo and Desargues. His father, who, as the name implies, was of good family, was accustomed to spend half the year at Rennes when the local parliament, in which he held a commission as councillor, was in session, and the rest of the time on his family estate of Les Cartes He resigned his commission in the spring of 1621, and spent the next five years in travel, during most of which time he continued to study pure mathematics. In 1626 we find him settled at Paris, ``a little well-built figure, modestly clad in green taffety, and only wearing sword and feather in token of his quality as a gentleman.'' During the first two years there he interested himself in general society, and spent his leisure in the construction of optical instruments; but these pursuits were merely the relaxations of one who failed to find in philosophy that theory of the universe which he was convinced finally awaited him. In 1628 Cardinal de Berulle, the founder of the Oratorians, met Descartes, and was so much impressed by his conversation that he urged on him the duty of devoting his life to the examination of truth. Descartes agreed, and the better to secure himself from interruption moved to Holland, then at the height of his power. There for twenty years he lived, giving up all his time to philosophy and mathematics. Science, he says, may be compared to a tree; metaphysics is the root, physics is the trunk, and the three chief branches are mechanics, medicine, and morals, these forming the three applications of our knowledge, namely, to the external world, to the human body, and to the conduct of life.

32. Evariste Galois' Biography biographies of Mathematicians Évariste Galois. Born 25 Oct., 1811, Galois proved that no such general method could be found, at least using a purely http://www.andrews.edu/~calkins/math/biograph/biogaloi.htm

Back to the Table of Contents Born: 25 Oct., 1811, in Bourg La Reine (near Paris), France Died: 31 May, 1832, in Paris, France Click These Links To Go To Desired Section Life And Times Galois Theory The 5 Questions Conclusion Life and Times At 16, Galois took the examinations to enter the prestigious Poly technique and failed. Years later Terquem remarked, "A candidate of superior intelligence is lost with an examiner of inferior intelligence." However, Galois found a mathematics teacher, Louis Richard, and really started studying and doing mathematics. His first paper, on continued fractions, was published when he was 17. At 18, Galois reapplied to the Poly technique, and again the examination went badly. Finally, during the oral part of the exam, he lost patience with one of the examiners and threw the eraser at him. It was a hit, but Galois could never apply there again. At 19, Galois attended the university and wrote three original papers on the theory of algebraic equations. He submitted them to the Academy of Sciences for the competition in mathematics. The Secretary of the Academy took them home to read, but then died before writing a report about them and the papers were never found. Galois was understandably upset: "Genius is condemned by a malicious social organization to an eternal denial of justice in favor of fawning mediocrity." In 1830 the French masses revolted, and Galois was a staunch supporter. The director of the school locked the students in the school during the fighting and then expelled Galois for a public letter he wrote condemning the director. Galois tried to start his own school of mathematics, but got no students, so he joined the National Guard "If a carcass is needed to stir up the people, I will donate mine." Galois was jailed for supposedly threatening the King, but was found 'not guilty' by a jury. Finally he was convicted and sentenced to 6 months in jail for "illegally wearing a uniform."

33. Biography Of Charles Hermite biographies of Mathematicians Hermite Hermite is also famous for solvingthe general quintic equation, which requires transcendental (elliptic) http://www.andrews.edu/~calkins/math/biograph/199899/biohermi.htm

Back to the Table of Contents Biographies of Mathematicians - Hermite Life Charles Hermite was born on December 24th, 1822 in Dieuze, Moselle, France. His mother was Madeleine Lallemand, the daughter of a highly successful merchant. His father became a clothing merchant, after having "dull" jobs as an engineer and working in the salt industry. He had four brothers and two sisters, and was the second youngest. Charles was born with a deformed leg. This deformity affected his life greatly. Without the deformed leg, he would have gone to fight in the war that was going on when he reached adulthood. When Charles was six years old, the Hermite family moved to Nancy, France. There were two reasons for this: first, to encourage more business to the clothing store and second, to promote Charles's education. In 1842, Charles passed the entrance exam to the Ecole Polytechnique. However, he did poorly on the exams. He only was the 68th best. Also, he was kicked out a year later when they realized he wouldn't ever be able to fight in the war, due to his deformity. In 1848, Charles married Louise Bertrand. She was the sister of one of Charles's peers

34. The Math Forum - Math Library - History/Biography biographies of Women Mathematicians Agnes Scott College general history ofastronomy pages on the Web a catalog of archives and libraries, museums, http://mathforum.org/library/topics/history/

Browse and Search the Library Home Math Topics : History/Biography Library Home Search Full Table of Contents Suggest a Link ... Library Help Selected Sites (see also All Sites in this category Biographies Index - MacTutor Math History Archives An index of pages on famous mathematicians throughout history, arranged alphabetically or chronologically and searchable by keyword. There is also an index of female mathematicians, and a full alphabetical index. more>> Biographies of Women Mathematicians - Agnes Scott College Biographies in alphabetical and chronological order, and related resources on the Web. An ongoing project by students in math classes at Agnes Scott College in Atlanta, Georgia, to illustrate the numerous contributions by women to the field of mathematics. Included are the first Ph.D's in mathematics awarded to women (before 1930); and prizes, awards, and honors for women mathematicians. more>> "All numbers are not created equal; that certain constants appear at all and then echo throughout mathematics, in seemingly independent ways, is a source of fascination." Indulge your fascination, or discover a new one. This site provides well over a hundred constants, each with descriptions, proofs, interesting sidelines, and illustrations. Some are illustrated with Mathcad files (viewable with a free read-only version, linked from the site). Many entries rely on a knowledge of advanced mathematics. Browse the topic-based list or look up constants by numerical value. References and other links are cited.

35. The Math Forum - Math Library - History/Biography Famous mathematicians biographies, portraits; student more An integratedbody of resource material for a high school general mathematics course. http://mathforum.org/library/topics/history/?keyid=14176149&start_at=301&num_to_

36. BIOGRAPHICAL RESOURCES general biographies Artists Celebrities Composers Inventors Mathematicians Nobel Mathematicians Indexes of Mathematicians biographies— http://www.wisdomportal.com/Biography/Biography.html

Biographical Resources Compiled by Peter Y. Chou CTIS Division, Foothill College, Los Altos Hills, California General Biographies Artists Celebrities Composers ... Women General Biographies: Biographical Index http://www.bartleby.com/65/a0.html (17,000 Biographies arranged in 140 categories from Columbia Encyclopedia, 6th Edition, 2001) Biography: The Web's Best Bios http://www.biography.com/ (Search over 25,000 of the greatest lives, past and present) Biographical Dictionary http://www.s9.com/biography/ (Lives of 28,000 notable men and women who have shaped our world) Lives, the Biography Resource http://amillionlives.com/ (Links to thousands of biographies, autobiographies, memoirs, diaries, letters) Biography http://userwww.sfsu.edu/~rsauzier/Biography.html (Bio sketches from anthropologists to writers) Biographies of People on Postage Stamps http://www.philately.com/philately/biographies.htm Great Pacifists http://www.nalejandria.com/utopia/english/people.htm (Bio sketches on Lincoln, Gandhi, Russell, Lamas, Einstein, King, Theresa, Esquivel, Dalai Lama, Tum) Greek Mythology Biographies http://homepage.mac.com/cparada/GML/Biographies.html

37. AWM Links For Biographies biographies of women in the mathematical sciences and science in general. biographies of Women Mathematicians This award-winning web site hosts a http://www.awm-math.org/biographies.html

//menuID = "index"; //menuID = "index"; Here we've compiled individual biographies (mostly for AWM's own site) as well as links to other sources for biographies of women in the mathematical sciences and science in general. Please send suggestions for additional links to awm-webmaster@awm-math.org Categories... Individual Biographies and Profiles Biographies and Profiles of Women in Mathematics Biographies and Profiles of Women in Science Individual Biographies and Profiles Beverly Anderson - 1991 AWM Careers That Count Profile Alexandra Bellow - 1991 Noether Lecture Profile Joan S. Birman - 1987 Noether Lecture Profile Lenore Blum 2002 Noether Lecture Profile 1991 AWM Careers That Count Profile Jacquie Callahan - 1991 AWM Careers That Count Profile Mary Cartwright (1990-1998) - 1999 Obituary in Notices Rosemary Chang - 1991 AWM Careers That Count Profile Sun-Yung Alice Chang - 2001 Noether Lecture Profile Sharon Chapman - 1991 AWM Careers That Count Profile Yvonne Choquet-Bruhat (b. 1923) -

38. CyberStacks(sm)Mathematics (General) Screen The archive contains the biographies of more than 1000 mathematicians. About 200of these biographies are fairly detailed and most are accompanied by http://www.public.iastate.edu/~CYBERSTACKS/hyb_qa_1.htm

Mathematics (General) (QA: 1 - 8) Q Science R Medicine S Agriculture T Technology U Military V Naval QA 1 Periodicals, Societies, Congresses, Serial Collections, Yearbooks AMS Preprint Server (AMSPPS) Summary: The AMS Preprint Server (AMSPS) is a service of the American Mathematical Society (AMS), which was created to "...further mathematical research and scholarship....It has approximately 30,000 members, including mathematicians throughout the United States and around the world." The mission of AMS is to "...promote mathematical research, increase the awareness of its value to society, and foster excellence in math education..." and to serve as a major math publisher. At the top of the site are three major links: (1) recent preprints (last 100); (2) browse preprints; and (3) search preprints. The first link produces a listing of the last added 100 preprints, in no particular order. Scrolling to view the listings, users will find the following in entries: (1) author(s); (2) title; (3) preprint code number; and (4) a link to view an abstract of the text. "Browse preprints" lists preprints based on the Mathematics Subject Classification; each category is noted with a description and code number. Selecting a category then produces an index of its presective holdings; users can view all of the category's listings, as well as a chronological listing of preprints. Selecting the "index" link allows the user to view all of the category's holdings; selecting a date allows viewing of one preprint's entry. "Search preprints" produces a query page with a keyword field, as well as searching instructions.

39. Copernicus, Nicholaus (1473-1543) -- From Eric Weisstein's World Of Scientific B Polish astronomer and mathematician who, as a student, studied canon law, But Copernicus had made no observations and stated no general laws. http://scienceworld.wolfram.com/biography/Copernicus.html

Branch of Science Astronomers Branch of Science Mathematicians ... Polish Copernicus, Nicholaus (1473-1543) Polish name: Mikolaj Kopernik. Polish astronomer and mathematician who, as a student, studied canon law, mathematics, and medicine at Cracow, Bologna, Rome, Padua, and Ferrara. Copernicus became interested in astronomy and published an early description of his "heliocentric" model of the solar system in Commentariolus (1512). In this model, the sun was actually not exactly the center of the solar system, but was slightly offset from the center using a device invented by Ptolemy known as the equant point. The idea that the Sun was the center of the solar system was not new (similar theories had been proposed by Aristarchus and Nicholas of Cusa), but Copernicus also worked out his system in full mathematical detail. Even though the mathematics in his description was not any simpler than Ptolemy's , it required fewer basic assumptions. By postulating only the rotation of the Earth revolution about the sun and tilt of Earth's rotational axis, Copernicus could explain the observed motion of the heavens. However, because Copernicus retained circular orbits, his system required the inclusion of epicycles. Unfortunately, out of fear that his ideas might get him into trouble with the church, Copernicus delayed publication of them.

40. Kids --- Biographies AfricanAmericans biographies in general Books Children s Authors Explorers biographies of Women Mathematicians The biographies are listed in http://oceancounty.lib.nj.us/Kids/biographies.htm

Kid's Home Home Search Our Site Site Map BIOGRAPHIES African-Americans Biographies in General Books Children's Authors ... Women African-Americans The Faces of Science: African Americans in the Sciences Categories include biochemists, biologists, chemists, computer scientists, engineers, entomologists, geneticists, geologists, inventors, mathematicians, medical, meteorologists, microbiologists, oceanographers, physicists, protozoologists, veterinarians, and zoologists. You can also search a name alphabetically. Afro-American Almanac The Almanac includes selected African-American biographies. Children’s Authors Scholastic: Authors and Books The publisher Scholastic Incorporated presents the page with interviews and author profiles. Index to Internet Sites: Children's and Young Adults" Authors & Illustrators The Internet School Library Media Center designed this page on their site, in order to foster easy access to curriculum related sites for teachers, school librarians, parents and students. A huge database of children’s and young adult author biographies and related information can be found here. Explorers Explorers of the World Explorers of land, ideas, sky and art are covered at this site along with additional resources.

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