This volume includes all thirteen books of Euclid's "Elements", is printed on premium acid-free paper, and follows the translation of Thomas Heath. Hero published a well-recognized description of a steam-powered device called an aeolipile (sometimes called a "Hero engine"). . With an HPI of . Hero's ethnicity may have been either Greek[2] or Hellenized Egyptian. Among his most famous inventions was a windwheel, constituting the earliest instance of wind harnessing on land. Halley's Latin Translation from the Arabic and Hebrew Versions (three books) - Google ブックス Born: about 70 in (possibly) Alexandria, Egypt. . The theorem uses lettered diagrams of pure . Hero described a method for iteratively computing the square root of a number. Menelaus of Alexandria (ca 70-135) Egypt, Rome Menelaus wrote several books on geometry and trigonometry, mostly lost except for his works on solid geometry. Found inside – Page 147The chief contributions attributed to Hipparchus in astronomy were his organization of the empirical data derived from the ... Menelaus of Alexandria Theon also mentions another treatise, in six books, by Menelaus of Alexandria (ca. He invented several equipments among which was steam-powered device called an aeolipile. It appears that he spent his early years in Alexandria, and was probably born there; after that, he seems to have moved to Rome. Menelaus's most important work is Sphaerica, on the geometry of the sphere, extant only in an Arabic translation. If D is the intersection point of FE and CB, then . Check out the new look and enjoy easier access to your favorite features Found inside – Page 117Menelaus of Alexandria made advances in geometry and spherical trigonometry at the end of the first century. ... Pappus made several significant contributions to mathematics in his Synagoge, which is usually called the Collection. Among the best known and most influential mathematicians who studied and taught at Alexandria were Euclid, Archimedes, Eratosthenes, Heron, Menelaus and Diophantus. Menelaus of Alexandria Developed spherical geometry and its applications to astronomy Claudius Ptolemy of Alexandria Henri Poincare - referred to as a coqueror, not a colonist. a. Eudoxus of Cnidus; b. Mathemae of Sparta; c. Musaeum of Alexandria; d. Pythagoras of Samos : 2. MENELAUS OF ALEXANDRIA (fl.Alexandria and Rome, a.d. 100) geometry, trigonometry, astronomy.. Ptolemy records that Menelaus made two astronomical observations at Rome in the first year of the reign of Trajan, that is, a.d. 98. Sometime around 334 BCE, Alexander renamed the city to Alexandria, which was from the start intended to be a center of commerce. His most well-known invention was a windwheel that […] Innovations in Astronomy charts a century of mind-bending discoveries. This essential handbook leaves you poised on the brink of what are sure to be ever-greater break-throughs. [4][5] He is said to have been a follower of the atomists. Ibrahim ibn Sinan, the grandson of Th¯abit ibn Qurra, made progress on the work of Archimedes on areas, volumes and tangents of circles. This post is devoted to Menelaus's Theorem, named for the astronomer Menelaus of Alexandria. The description for this book, Proclus: A Commentary on the First Book of Euclid's Elements, will be forthcoming. This is a one-of-a-kind reference for anyone with a serious interest in mathematics. Perhaps oneof his most well known contributions to mathematics, Menelaus' theorem states that points lying on three sides of a triangle are collinear if and only if the ratio of the products of the non-adjacent sides is 1. Hypatia contributed in many ways to math, with one of her contributions being that she edited the work on The Conics of Apollonius. Menelaus' theorem relates ratios obtained by a line cutting the sides of a triangle. In the form stated in Book III, the theorem became of fundamental importance in spherical trigonometry and astronomy, and the theorem has since been known by his name. Menelaus' theorem as a window on the meanings of indeterminate forms Menelaus'theorem, named for Menelaus of Alexandria, is a theorem in plane geometry (Figure 1). In fact when Proclus wrote a commentary on the Myth of Er, he dedicated it to Marinus. 'Irāq by Menelaus . During the late 4th and early 3rd Century BCE, Euclid was the great chronicler of the mathematics of the time, and one of the most influential teachers in history. "Gas-Turbine Standby-Power Generation for Water-Treatment Plants", On the main translations of the treatise, including, not a single invention, however, but a development, "Temple Doors opened by Fire on an Altar", https://www.youtube.com/watch?v=xyQIo9iS_z0, "Russian animation in letters and figures | Films | "GERON, The New Grove Dictionary of Music and Musicians, Webpage about Hero by The Technology Museum of Thessaloniki, Heron biography, The MacTutor History of Mathematics archive, Online Galleries, History of Science Collections, University of Oklahoma Libraries, Reconstruction of Heron’s Formulas for Calculating the Volume of Vessels, The Pneumatics of Hero of Alexandria, from the Original Greek. Math lessons. His major work, the Spherics survives and presents what is today called Menelaus' Theorem. The titles of a few books by Menelaus have been preserved: Greek mathematician and astronomer (c. 70–140), Halley's Latin Translation from the Arabic and Hebrew Versions (three books), Ancient Greek and Hellenistic mathematics, Faceted Application of Subject Terminology, https://en.wikipedia.org/w/index.php?title=Menelaus_of_Alexandria&oldid=1033593960, Articles containing Ancient Greek (to 1453)-language text, Creative Commons Attribution-ShareAlike License. He vied with his brother Thyestes for the throne of Mycenae. Diedcirca130. The book will appeal to mathematicians interested in Geometry and to all readers with an interest in cultural history. From letters to the authors for the German language edition I hope it gets a translation, as there is no comparable work. Examines the early developments and uses of mathematics in such places as Egypt, Mesopotamia, China, and India ² The range of names of predecessors is immense. branch of mathematics that deals with the properties and applications of ratios associated with angles. Among the best known and most influential mathematicians who studied and taught at Alexandria were Euclid, Archimedes, Eratosthenes, Heron, Menelaus and Diophantus. Dietrich Lohrmann, "Von der östlichen zur westlichen Windmühle". He also applied fundamental theorems in spherical trigonometry (apparently discovered half a century earlier by Menelaus of Alexandria ) to the solution of . He is sometimes called "the father of algebra", and wrote an influential series of books called the "Arithmetica", a collection of algebraic problems . +Worked on non-euclidean and n-dimensional geometry. made significant contributions to the study of spherical trigonometry. While every effort has been made to follow citation style rules, there may be some discrepancies. Eratosthenes Sieve During the late 4th and early 3rd Century BCE, Euclid was the great chronicler of the mathematics of the time, and one of the most influential teachers in history. Abu Nasr Mansur. The most comprehensive edition of Hero's works was published in five volumes in Leipzig by the publishing house Teubner in 1903. Another engine used air from a closed chamber heated by an altar fire to displace water from a sealed vessel; the water was collected and its weight, pulling on a rope, opened temple doors. Both Pappus and Proclus call him Menelaus of Alexandria (Heath 260), so we may assume that he spent some of his time in Rome, and much of his time in Alexandria. Menelaus is best known for his development of spherical trigonometry. Bibliography ~ Literature-Based Math Activities: An Integrated Approach Alison Abrohms, Scholastic Professional Books 1992, ISBN -590-49201-2 ~ The Development of Mathematics E. T. Bell, Dover Publications 1992, ISBN -486-27239-7 ~ Ethnomathematics: A Multicultural View of Mathematical Ideas M. Belmont, CA: Brooks/Cole 1991 ~ A History of Mathematics Carl B. Boyer and Uta C. Merzbach, John . This treatise, which lies at the foundation of . A mathematician who hailed as the first true mathematician and the first known individual to whom mathematics discovery has been . Requiring no more than a knowledge of high school mathematics and written in clear and accessible language, this book will give all readers a new insight into some of the most enjoyable and fascinating aspects of geometry. Various authors have credited the invention of the, A 1979 Soviet animated short film focuses on Hero's invention of the, A 2010 The History Channel television show, A 2014 The History Channel television show, This page was last edited on 19 November 2021, at 19:59. Hypatia's greatest contribution to science was through her mathematical work, mainly in the area of algebra.She wrote an annotated version of Diophantus Arithmetic.She was the author of a "simplified" version of the Apollonius Conics, which she summarized in 8 books and she assisted her father in the revision of the Elements of Euclid, an edition that is currently used. Ptolemy mentions that Menelaus observed in Rome in the year 98 AD (Toomer). Thus the book also aims at an informed public, interested in making a new beginning in math. And in doing so, learning more about this part of our cultural heritage. The book is divided into two parts. Part 1 is called A Cultural Heritage. Works known to have been written by Hero include: Works that sometimes have been attributed to Hero, but are now thought most likely to have been written by someone else:[24]. Among the best known and most influential mathematicians who studied and taught at Alexandria were Euclid, Archimedes, Eratosthenes, Heron, Menelaus and Diophantus. Menelaus Menelaus of Alexandris (c. 70 - 140 A.D) was a Greek mathematician and astronomer. scopri il mio servizio find out what I do . [20] He also designed a shortest path algorithm, that is, given two points A and B on one side of a line, find C a point on the straight line that minimizes AC+BC. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. アレクサンドリアのメネラウス ([ˌ m ɛ n ɪ ˈ l eɪ ə s]; ギリシャ語: Μενέλαος ὁ Ἀλεξανδρεύς, Menelaos ho Alexandreus; 70年 - 140年ごろ）は、古代ギリシア の数学者、天文学者。 曲面上の測地線を自然における直線の類似物として初めて認識した。 - contribution to mathematics is the properties of automorphic functions. The following theorem, due to Menelaus of Alexandria: Let L, M and N be points on the sides BC, CA and AB of a triangle (possibly extended). Menelaus of Alexandria (c. 100 CE) Nicomachus of Gerasa (c. 100) Theon of Smyrna (c. 125) Ptolemy (Claudius Ptolemaeus) (100-178) Marinus of Tyre (c. 150) . Menelaus of Alexandria ( / ˌmɛnɪˈleɪəs /; Greek: Μενέλαος ὁ Ἀλεξανδρεύς, Menelaos ho Alexandreus; c. 70 - 140 CE) was a Greek mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of straight lines. Menelaus of Alexandria. Now their work is accessible to all, with this invaluable introduction to c.100 scientific authors active from 320 BCE to 230 CE. The book begins with an outline of a new socio-political model for the development and decline of Greek ... Do have trouble figuring out a restaurant tip? Does the thought of algebra still give you nightmares? Fear not! The Very Lazy Intellectual: Mathematics introduces you to quantitative calculation and logical reasoning. The form of this theorem for plane triangles, well known to his contemporaries, was expressed as follows: if the three sides of a triangle are crossed by a straight line (one of the sides is extended beyond its vertices), then the product of three of the nonadjacent line segments thus formed is equal to the product of three other line segments (see the figure). Early Translation and al-Māhānī / al-Harawī's Version. لا يعرف تاريخا دقيقا لحياته ولكن يعتقد انه عاش في القرن الميلادي الأول (70AD-130 or 140AD) وقضى فترة شبابه بالإسكندرية بمصر ثم . She was the first female mathematician and engineer in . In solid geometry, the Heronian mean may be used in finding the volume of a frustum of a pyramid or cone. The great Carl Gauss (1777-1855) developed the statistical method of least squares and discovered count- The book introduces the concept of spherical triangle (figures formed of three great circle arcs, which he named "trilaterals") and proves Menelaus' theorem on collinearity of points on the edges of a triangle (which may have been previously known) and its analog for spherical triangles. This is the concept that developed ideas of parabolas, hyperbolas and ellipses. Although the field was not formalized until the twentieth century, it is thought that the work of Hero, in particular his automated devices, represented some of the first formal research into cybernetics. Furthermore, he originated the use of arcs of great circles instead of arcs of parallel circles on the sphere, a major turning point in the development of spherical trigonometry. His work was cited by Ptolemy, Pappus, and Thabit; especially the Theorem of Menelaus itself which is a fundamental and difficult theorem very useful in projective geometry. Some made numerous discov-eries during a lifetime of creative work; others made a single contribution. In some cases, our only knowledge of some mathematicians is due to his ci-tation. However, this engine is far from a pure aeolipile.[14]. Located on Egypt's Northern coast, it became the seat of power in Egypt under the rule of the Ptolemies and the center of learning in the . Mathematics was mostly based on geometry. A wind-wheel operating an organ, marking the first instance in history of wind powering a machine. Died: about 130. How did Menelaus contribute to trigonometry? A mathematician who coined the term Mathematics from the Greek word Mathema, meaning subject of instructions. His major work, the Spherics. Leggi di più - Read more. Found inside – Page 301But it took over 400 years from the founding of Alexandria for someone to come along and synthesize everything known ... He used Euclid's geometry, Aristotle's cosmology, Hipparchus' trigonometry and astronomy, Menelaus of Alexandria's ... He was called Menelaus of Alexandria by both Pappus of Alexandria and Proclus, and a conversation of his with Lucius, held in Rome, is recorded by Plutarch. The oldest example of arithmetic was found in Zaire. Thales is usually considered to have been the first to lay down the guidelines for the abstract development of geometry. ʻAlī b. His contributions to trigonometry are especially important. One of the most important contributions of the Greeks — Pythagoras, Plato, Aristotle — was the . Book II established theorems whose principal interest is their (unstated) application to problems in spherical astronomy. Greg Newington/Stockbyte/Getty Images. Alexandria was originally an Egyptian city called Rhacotis. Other works are attributed to him, including one on setting times of the signs of the zodiac, one (in six books) on chords in a circle, and one (in three books) on elements of geometry, but his only extant work is Sphaerica. Hero also invented many mechanisms for the Greek, A stand-alone fountain that operates under self-contained hydro-static energy; now called. Heron of Alexandria (c. 10 CE - c. 70 CE) is one of the most fascinating figures in Greek history, standing alongside mathematicians such as Pythagoras, Archimedes and Euclid as a major contributor to the history of science. Ceva's theorem is essentially the counterpart of this theorem and can be used to prove three lines are . He happily took a serious pay cut by giving up law to accept a professorship at Cambridge in their math department. A Greek mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of straight lines. Featuring references to Classical mythology and science, star charts of the northern and southern skies, extensive notes, and an introduction to the work’s stylistic features and literary reception, this dynamic work will appeal to ... T. D. De Marco (1974). The Oxford Handbook of Hellenic Studies is a unique collection of some seventy articles which together explore the ways in which ancient Greece has been, is, and might be studied. SCIAMVS 7 The Sector Theorem 47 is first represented by the Commentary of Theon of Alexandria and came to its apex in the work of Th¯abit. These observation included that of the occultation of the star Beta Scorpii by the moon. 15 Famous Mathematicians and Their Contributions 1. Found inside – Page 463MENELAOS Menelaus of Alexandria , in the first century A.D. , wrote ( c . A.D. 100 ) a six - book treatise on chords – mentioned by Theon of Alexandria , but now lost - and also made important contributions to spherical trigonometry ... A cart that was powered by a falling weight and strings wrapped around the drive axle. In mathematics he is mostly remembered for Heron's formula, a way to calculate the area of a triangle using only the lengths of its sides. plane trigonometry. Pappus is an accomplished and versatile math-ematician. This radical, profoundly scholarly book explores the purposes and nature of proof in a range of historical settings. The book opens with an explanation of these matters. Early astronomers did more than just gaze in awe at the heavenly bodies; they tried to understand the complex details of their movements. By 300 H. C. - Menelaus' Theorem. Figure 2: The basic case of Menelaus's Theorem Menelaus's Theorem If X, Y, and Zare collinear, then jBXj jCXj jCYj jAYj jAZj jBZj = 1: (1.2) Converse If the points X, Y, Zare chosen as above, and if jBXj jCXj jCYj jAYj jAZj jBZj = 1; then X, Y, and Zare collinear. Menelaus of Alexandria (ca 100 AD) worked on spherical geometry and was the first known to publish a treatise on the subject. • Alexander the . When Thyestes seduced Atreus' wife, Aerope, in order to attain the golden ram whose possession signified kingship . Greek inventor and mathematician Hero of Alexandria is remembered for his iconic work on geometry, Metrica, which was lost for many years but was then discovered after 1896. Menelaus Theorem مينيلوس الإسكندرية,(بفتح حرف النون) أو مانيلوس Menelaus of Alexandria. College Geometry is divided into two parts. [7][8][9][10] It is almost certain that Hero taught at the Musaeum which included the famous Library of Alexandria, because most of his writings appear as lecture notes for courses in mathematics, mechanics, physics and pneumatics. This book overcomes these problems by introducing a new and interesting notation for q-calculus based on logarithms.For instance, q-hypergeometric functions are now visually clear and easy to trace back to their hypergeometric parents. Menelaus of Alexandria. Book III, the last, concentrates on spherical trigonometry and introduces Menelaus’s theorem. His work was cited by Ptolemy, Pappus, and Thabit; especially the Theorem of Menelaus itself which is a fundamental and difficult theorem very useful in projective geometry. Found inside – Page 132Ruska contributed substantially to filling these lacunae . Although his main areas of research were alchemy and mineralogy , he also published studies on Arabic mathematics . His Zur dltesten arabischen Algebra und Rechenkunst ( On the ... The Mathematics of the Heavens and the Earth is the first major history in English of the origins and early development of trigonometry. Contributions. Being the greatest experimenter of antiquity he represents the Hellenistic scientific tradition in Roman Egypt. (Note that BC, for example, is considered to be directed from B to C so that LC, for example, is positive if LC is in the same direction as BC and negative if . Menelaus. Found inside... theoretical mathematics, probably drawing a good deal on the teachings of Posidonius, but frequently introducing his own judgment and criticism. 440 The next most important contribution to astronomy came from Menelaus of Alexandria ... https://www.britannica.com/biography/Menelaus-of-Alexandria, MacTutor History of Mathematics Archive - Biography of Menelaus of Alexandria. Known for being the 'father of algebra', Diophantus was an eminent Alexandrian Greek mathematician. and ed. ʻIrāq d. ca 1034 Menelaus was not just a theoretical astronomer, as attested by the Almagest where Ptolemy (c. ad 100–170) reports Menelaus’s observations of lunar occultations of stars. Pythagoras of Samos was credited for the Pythagorean Theorem. Menelaus' Spherics : early translation and al-Māhānī, al-Harawī's version by Menelaus ( Book ) 1 edition published in 2017 in English and held by 1 WorldCat member library worldwide. Menelaus made a significant and lasting contribution to the fields of astronomy, geometry, and trigonometry. Menelaus’s most important work is Sphaerica, on the geometry of the sphere, extant only in an Arabic translation. It is designed to stand by itself as an interpretation of the original, but it will also be useful as an aid to reading the Greek text. "Whatever we now understand of Ptolemy ... is in this book."--Noel Swerdlow, University of Chicago Hero of Alexandria is the 21st most popular mathematician (up from 24th in 2019), the 23rd most popular biography from Egypt (up from 29th in 2019) and the 3rd most popular Egyptian Mathematician. Nas¯ir al-D¯in al-T¯ us¯i followed the works of Menelaus of Alexandria on spherical trigonometry where he listed the six distinct cases of a right triangle in spherical trigonometry. Composed of three books, it deals with the geometry of the sphere and its application in astronomical measurements and calculations. Let ABC be a triangle, and let X, Y and Z be points on the lines formed from BC, CA and AB respectively as shown in Figure 2. 69.93, Menelaus of Alexandria is the 8th most famous Egyptian Mathematician. Another figure that deserves mention is Menelaus of Alexandria (~100 CE), for his studies and contributions into Spherical Trigonometry and with Menelaus' Theorem. It is believed Ptolemy's famous table of chords was based on a Hipparchus' treatise (History of Mathematics 175-177). O'Connor, John J.; Robertson, Edmund F., "Menelaus of Alexandria", MacTutor History of Mathematics archive, University of St Andrews, . In Book I he established the basis for a mathematical treatment of spherical triangles analogous to Euclid’s treatment of plane triangles. De Gruyter, Scientia Graeco-Arabica 21. xiv, 874 pages. Among the best known and most influential mathematicians who studied and taught at Alexandria were Euclid, Archimedes, Eratosthenes, Heron, Menelaus and Diophantus. 1 (Feb., 1949), p. 38 and supra. [11], Hero described[12] the construction of the aeolipile (a version of which is known as Hero's engine) which was a rocket-like reaction engine and the first-recorded steam engine (although Vitruvius mentioned the aeolipile in De Architectura some 100 years earlier than Hero). • It was named after Alex ander the Great, King of Macedonia. It is believed that he moved to Rome from Alexandria after his youth. Despite its importance in the history of Ancient science, Menelaus' Spherics is still by and large unknown. 2 He is called . As evident, Menelaus' theorem is closely related to Ceva's theorem. Please refer to the appropriate style manual or other sources if you have any questions. Sphaerica is the only book that has survived, in an Arabic translation. •Greek Mathematics (Classical) The Greeks also used a base 10 system. MATH 300 History of Mathematics Figures in Greek Mathematics Sixth Century BCE . Let us know if you have suggestions to improve this article (requires login). Academia.edu is a platform for academics to share research papers. His biography has been translated into 22 different languages. Classical mathematics: a concise history of the classical era in mathematics. In this article, we shall introduce this important result and also show some of its applications. [19] Today, however, his name is most closely associated with Heron's formula for finding the area of a triangle from its side lengths. It was later translated by the sixteenth century astronomer and mathematician Francesco Maurolico. [close] A Greek mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of straight lines. Furthermore, he originated the use of arcs of great circles instead of arcs of parallel circles on the sphere, a major turning point in the development of spherical trigonometry. During the late 4th and early 3rd Century BCE, Euclid was the great chronicler of the mathematics of the time, and one of the most influential teachers in history. The Biographical Encyclopedia of Astronomers is a unique and valuable resource for historians and astronomers alike. The two volumes include approximately 1550 biographical sketches on astronomers from antiquity to modern times. Menelaus of Alexandria was a Greek astronomer, scientist, and mathematician who lived around 100 CE. Likewise, this edition can be used as a textbook in advanced undergraduate and graduate courses on the history of ancient geometry. 100 A.D.) wrote in three books his Sphaerica.In Book I, he established a basis for spherical triangles analogous to the Euclidean basis for plane triangles. Menelaus of Alexandria, (flourished 1st century ad, Alexandria and Rome), Greek mathematician and astronomer who first conceived and defined a spherical triangle (a triangle formed by three arcs of great circles on the surface of a sphere).. Menelaus's most important work is Sphaerica, on the geometry of the sphere, extant only in an Arabic translation. Little is known of Menelaus's life. [6] Some of his ideas were derived from the works of Ctesibius. Euclid was one among the famous mathematicians, and he was known as the 'Father of Geometry.' His famous Geometry contribution is referred to as the Euclidean geometry, which is there in the Geometry chapter of class IX. Glen Van Brummelen identifies the earliest known trigonometric precursors in ancient Egypt, Babylon, and Greece, and he examines the revolutionary discoveries of Hipparchus, the Greek astronomer believed to have been the first to make systematic use of . by Bennet Woodcroft, Ancient Greek and Hellenistic mathematics, Faceted Application of Subject Terminology, https://en.wikipedia.org/w/index.php?title=Hero_of_Alexandria&oldid=1056109846, Wikipedia articles incorporating the Cite Grove template, Wikipedia articles incorporating the Cite Grove template without a link parameter, Short description is different from Wikidata, Articles containing Ancient Greek (to 1453)-language text, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Wikipedia articles incorporating a citation from the New International Encyclopedia, Creative Commons Attribution-ShareAlike License. Thus it is believed that he was born around 70 AD (History of Mathematics). He establishes a theorem that is without Euclidean analogue, that two spherical triangles are congruent if corresponding angles are equal, but he did not . (Oxford, 1921). For instance, Ptolemy's table of the lengths of chords in a circle is the earliest surviving table of a trigonometric function . 1 DB CF AE DC FA EB . Containing more than 100 illustrations and figures, this text, aimed at advanced undergraduates and postgraduates, addresses the methods and challenges associated with studying the history of mathematics. Hero of Alexandria (/ ˈ h ɪər oʊ /; Greek: Ἥρων ὁ Ἀλεξανδρεύς, Heron ho Alexandreus, also known as Heron of Alexandria / ˈ h ɛr ən /; c. 10 AD - c. 70 AD), was a Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt.He is often considered the greatest experimenter of antiquity and his work is representative of the Hellenistic . ("Menelaus" is also a: user .) T L Heath, A History of Greek Mathematics (2 Vols.) Contribution: +Produced some 250 papers on math while working as a lawyer. Yiannis N. Moschovakis (1938) - Writer, also worked as theorist in University of California, Los Angeles. It was described almost two millennia before the industrial revolution. After spending his youth in Alexandria, he most likely moved to Rome. Menelaus was one of the best known figures of the Trojan War. Who contributed […] 40, No. menelaus of alexandria. The theorem states: Let ABC be a triangle, and F, E are two points on ]AC[ and ]AB[ respectively. Menelaus of Alexandria (; Greek: Μενέλαος ὁ Ἀλεξανδρεύς, Menelaos ho Alexandreus; c. 70 - 140 CE) was a Greek mathematician and astronomer, the first to recognize . Alexandria University, Egypt. Profiles more than 150 mathematicians from around the world who made important contributions to their field, including Rene Descartes, Emily Noether and Bernhard Riemann.

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