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Euclid

Also known as Euclides, Euclid of Alexandria, Eukleides

Euclid (; ; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the Elements treatise, which established the foundations of geometry that largely dominated the field until the early 19th century. His system, now referred to as Euclidean geometry, involved innovations in combination with a synthesis of theories from earlier Greek mathematicians, including Eudoxus of Cnidus, Hippocrates of Chios, Thales and Theaetetus. With Archimedes and Apollonius of Perga, Euclid is generally considered among the greatest mathe

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Euclid was an ancient Greek mathematician best known for writing the Elements, a foundational text that established the principles of geometry and dominated the field for nearly two thousand years. His systematic approach to geometry, which synthesized and built upon earlier Greek mathematical theories, makes him considered the "father of geometry" and one of history's greatest mathematicians.

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Person · Open Library

Works: 490

Top works

A text-book of Euclid's Elements for the use of schools, books I.-IV
A text-book of Euclid's elements for the use of schools
Posteriores libri IX
هذا كتاب اقليدس
Plane geometry, according to Euclid

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Music · MusicBrainz

Type: Group
Origin: United States

Discography

Heavy Equipment1970

Discogs

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Listeners · Last.fm

Listeners: 8,295
Total plays: 64,299

Recent publications · Crossref

5 total works indexed

Cosmology and fundamental physics with the Euclid satellite
· 2018 · cited 780x
Cosmology and Fundamental Physics with the Euclid Satellite
· 2013 · cited 696x
Euclid
· 2025 · cited 467x
Euclidpreparation
· 2022 · cited 467x
Euclid preparation
· 2020 · cited 369x

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Quotes

“Καὶ τὸ ὅλον τοῦ μέρους μεῖζον [ἐστιν].”
“Πρῶτος ἀριθμός ἐστιν ὁ μονάδι μόνῃ μετρούμενος.”
“μὴ εἶναι βασιλικὴν ἀτραπὸν ἐπί γεωμετρίαν.”
“Non est regia [inquit Euclides] ad Geometriam via.”
“Δός αὐτῷ τριώβολον, ἐπειδὴ δεῖ αὐτῷ ἐξ ὧν μανθάνει κερδαίνειν.”

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Key facts

Scientist.name: Euclid
Scientist.native_name: Εὐκλείδης
Scientist.image: Jusepe de Ribera - Euclid - 2001.26 - J. Paul Getty Museum.jpg
Scientist.caption: Euclid by Jusepe de Ribera,
Scientist.years_active: BC
Scientist.field: Mathematics (Geometry)

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Wikidata facts

Image: EuclidStatueOxford.jpg

Show 12 more facts

Commons category: Euclid
date of birth: 0323-00-00
date of death: 0285-00-00
name in native language: Εὐκλείδης
Commons Creator page: Euclid
Commons gallery: Euclid
Stack Exchange tag: hsm.stackexchange.com/tags/euclid
floruit: 0300-00-00
birth name: Εὐκλείδης
P12749: Wilhelm René de l'Homme de Courbière
P13311: Denny Hulme
P8168: Autobahn

Sources (7)

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Works in European collections

36 objects attributed to Euclid, held across European museums, libraries & archives · via Europeana

Elements

In sex priores libros Geometricorum elementorum Euclidis Megarensis In ationes

Geometricorum elementorum libri XV

Euclidis Elementorum lib. XV. Accessit XVI De solidorum regularium cuiuslibet intra quodlibet comparatione. Omnes perspicuis demonstrationibus Omatisque scholijs illustrati, nunc iterum editi, ac multarum rerum accessione locupletati.

“The first six books of Euclidis...” From the beginnings and foundations of the Geometriae: Dabey then some of the usables drawn outside these books...

The first six books Elementorum Euclidis: in which d. Initiation and reasons of Geometria ordenl. Perleberg and Founding are shown

Euclid’s perspective and speculary;

Euclides Campano interprete

Euclidis sine principio

Textus de Sphaera Ioannis de Sacrobosco : Introductoria Additione (quantum neccesarium est) commentarioq[ue] utilitatem studentium Philosophiae Parisiensis Academiae illustratus: Cu[m] compositione Annuli astronomici Boneti Latensis, Et Geometria Euclidis Megarensis [Texto impreso]

Textus de Sphera Ioannis de Sacrobosco : cum additione, quantum necessarium est, adiecta, nouo commentario nuper edito : ad utilitate[m] stude[n]tiu[m] Philosophice Parisien[se] Academie illustratus cu[m] co[m]positione Anuli Astronomici Boneti Latensis et Geometria Euclidis Megarensis [Texto impreso]

Euclidis quae supersunt omnia [Texto impreso]

Elements [ot the geometry] [Texto impreso] : with select theorems out of Archimedes

Sphaera mundi [Printed Text]

Elementa geometriae (latine) [Printed Text]

Eukleidou Eisagoge harmonike, tou autou katatome kanonos = Euclidis Rudimenta musices, eiusdem sectio regulae harmonicae

[Geometry Treaties]

[Letters, addressed chiefly to a young gentleman upon subjects of literature [Texto impreso] :]including a translation of Euclid's section of the canon and his treatise on harmonic; with an explanation of the Greek musical modes, according to the doctrine of Ptolemy

Tratado de geometría [Manuscrito]

Elementorum libri priores VI, item XI et XII, ex versione latina Federici Commandini; sublatis iis, quibus olim libri hi a Theone, alliisve vitiati sunt, et quibusdam Euclidis demonstrationibus a Roberto Simson restitutis

Contenta. Evclidis Megarensis Geometricorum elemẽtorum libri XV. Campani Galli trãsalpini in eosdem cõmentariorum libri XV. Theonis Alexandrini Bartholomæo Zamberto Veneto interprete, in tredecim priores, commentariorum libri XIII. Hypsiclis Alexãdrini in duos posteriores, eodẽ Bartholomæo Zamberto Veneto interprete, commẽtariorum libri II.

Evclide Megarense Philosopho: Solo Introdvttore Delle Scientie Mathematice: Diligentemente Reassettato, Et Alla Integrita Ridotto Per Il Degno Professore di tal Scientie Nicolo Tartalea, Brisciano, Secondo le due Tradottioni, E Per Commvne Commodo & vtilita di latino in volgar tradotto. Con Vna Ampla Espositione Dello Istesso TRadottore Di Novo Aggionta

Evclidis Megarensis mathematici Clarissimi Elementorum geometricorum libri XV. Cum expositione Theonis in priores XIII à Bartholomæ Veneto Latinitate donata, Campani in omnes, & Hypsiclis Alexandrini in duos postremos. His adiecta sunt Phænomena, Catoptrica & Optica, your Protheoria Marini & Data...

Sex libri priores de geometricis principiis, graeci et latini una cum demonstrationibus propositionum absque literarum notis. (etc.) Authore Joanne Scheubelio

Orontij Finei Delphinatis in VI priores libros geometricorum elementorum demonstrationes. etc

Poczatkow Geometryi Ksiag Osmioro ... z dodanemi przypisami ... przez Josefa Czecha ... z przydana Trygonometrya Roberta Simsona ...

Evclide Megarense Philosopho, Solo Introdvttore Delle Scientie Mathematice. Diligentemente Rassettato, Et alla integrità ridotto, per il degno professore di tal Scientie Nicolo Tartalea Brisciano. Secondo Le Dve Tradottioni. Con Vna Ampla Espositione dello istesso tradottore di nuono [!] aggiunta

Evclide Megarense Acvtissimo Philosopho Solo Introdvttore Delle Scientie Mathematice. Diligentemente Rassettato, Et all integrità ridotto, per ... Nicolò Tartalea Brisciano. Secondo Le Dve Tradottioni. Con Vna Ampla Espositione Dello Istesso tradottore di nuouo aggionta ...

Euclid’s elements: the first to the sixth, velvet of the rushed and twelfth beech

Teutch-Redender Euclides, Oder Eight Books From the Beginnings of the Art of Measurement: A new and lightweight art, To the benefit of all generals, ingeners, nature and commodity terminators, construction masters, artists and handlookers Set up and proven in Teutscher Sprach

Euclidis Optica & Catoptrica :Nvnqvam Antehac Graece Aedita = Eukleidu Optika Kai Katoptrika

Elements

Propositiones reliquorum Librorum Geometriae Euclidis :Graece, Latine, in vsum eorum, qui volumine Euclidis carent

Euclidis 15. Books Teutsch: In a special short way, iedoch negotiated extensively, and so well in lines, than by numbers, in specie the towing book, with which otherwise difficult to fall irrational sizes, lines, and spaces, most clearly defined, engraved and proven, even consistently all 15. Books on instead of the otherwise ordinary obscure woodcuts with required copper figures, he uses an essential

Evclidis Elementorvm Liber primus :Item, Heronis Alexandrini vocabula quaedam geometrica: ante hac nunquam edita, graece et latine

Eukleidu Optika Kai Katoptrika = Euclidis Optica & Catoptrica, Nvnqvam Antehac Graece Aedita

~21 min read

Article

15 sections

Contents

Life
Traditional narrative
Medieval Islamic Narrative
Identity and historicity
Works
''Elements''
Contents
Other works
Lost works
Legacy
References
Notes
Citations
Sources
External links

Very little is known of Euclid's life, and most information comes from the scholars Proclus and Pappus of Alexandria many centuries later. Medieval Islamic mathematicians invented a fanciful biography, and medieval Byzantine and early Renaissance scholars mistook him for the earlier philosopher Euclid of Megara. It is now generally accepted that he spent his career in Alexandria and lived around 300 BC, after Plato's students and before Archimedes. There is some speculation that Euclid studied at the Platonic Academy and later taught at the Musaeum; he is regarded as bridging the earlier Platonic tradition in Athens with the later tradition of Alexandria.