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Archimedes

(2,119 words)

Author(s): Folkerts, Menso (Munich) | Degani, Enzo (Bologna)
[1] of Syracuse C. 287-232 BC [German version] A. Life A. was born in 287 BC in Syracuse, son of the astronomer Phidias. He was friends with King Hieron II, and later with his son Gelon. A. probably spent some time in Alexand…

Euclides

(2,633 words)

Author(s): Rhodes, Peter J. (Durham) | Döring, Klaus (Bamberg) | Folkerts, Menso (Munich) | Zaminer, Frieder (Berlin) | Di Marco, Massimo (Fondi Latina) | Et al.
(Εὐκλείδης; Eukleídēs). [German version] [1] Athenian archon in 403/2 BC Athenian archon in 403/2 BC. During his year in office Athens made a new start following the Oligarchy of the Thirty (e.g., see And. 1,87-94) and, among others, officially adopted the Ionian alphabet (Theopomp. FGrH 115 F 155). Rhodes, Peter J. (Durham) Bibliography Develin 199 LGPN 2, Εὐκλείδης (9). …

Pappus of Alexandria

(727 words)

Author(s): Folkerts, Menso (Munich)
(Πάππος Ἀλεξανδρεύς; Páppos Alexandreús). [German version] I. Life Eminent Greek mathematician. Based on his calculation of a partial solar eclipse for the year AD 320, it is assumed that P. lived in the first half of the 4th cent. (on this and on erroneous dating in the Suda see [2. 2-4]). Folkerts, Menso (Munich) [German version] II. Works The most important surviving work is the Συναγωγή/ Synagōgḗ, customarily cited as the Collectio (ed. [1], French translation [3], edition and English translation of book 7 [2]). Of the 8 books, the first is wholly lost, the second partially; books 7 and 8 are probably unfinished. In the Collectio

Duplication of the Cube

(1,109 words)

Author(s): Folkerts, Menso (Munich)
(κύβου διπλασιασμός/ kýbou diplasiasmós according to Eratosthenes, in [1. 88,16]). [German version] I. General The duplication of the cube ─ besides the  division of angles and circles and the  squaring of the circle ─ belongs to the three classic problems in Greek  mathematics. The challenge is such: to find ─ through the use of geometry ─ for a given cube with a side-length of a (and thus the volume of a 3) the side x of another cube whose volume is twice as big as that of the given cube. The problem is therefore to find the value of x, to which applies: x 3 = 2 a 3 (that is: x = a 32). The problem thus…

Zenodorus

(744 words)

Author(s): Folkerts, Menso (Munich) | Matthaios, Stephanos (Cologne) | Bringmann, Klaus (Frankfurt/Main) | Neudecker, Richard (Rome)
(Ζηνόδωρος/ Zēnódōros). [German version] [1] Greek mathematician, probably at the beginning of the 2nd cent. BC…

Land surveying

(895 words)

Author(s): Folkerts, Menso (Munich)
[English version] The writings of the Roman surveyors ( agrimensores) deal with their various areas of activity: measurement of areas; limitation, i.e. division by orthogonal boundaries; creation of land registers and general parceling maps; functioning as a judges or experts in land law, particularly in boundary disputes; collaboration in religious ceremonies; units of length and area, weights and determining area and volume. Mathematical questions are dealt with most notably by Balbus' work Expositio et ratio omnium formarum (ca . AD 100), the anonymous Liber podismi and a wo…

Polyidus

(381 words)

Author(s): Käppel, Lutz (Kiel) | Börm, Henning (Kiel) | Folkerts, Menso (Munich) | Zimmermann, Bernhard (Freiburg)
(Πολύιδος/ Polýidos, Latin Polyidus). [German version] [1] Mythical seer and miracle-worker from Corinth ('of wide learning'). Mythical seer and miracle-worker from Corinth (cf. Cic. Leg. 2,33), descendant of Melampus [1] (Pherecydes FGrH 3 F 115a; Paus. 1,43,5), spouse of Eurydameia, father of Euchenor (Hom. Il. 13,663-668; cf. Cic. Div. 1,89), Cleitus [2], Astycrateia and Manto (not identical with the seeress Manto). His powers are testified to by numerous accounts of his assitence: in Corinth, for example…

Attalus

(2,358 words)

Author(s): Badian, Ernst (Cambridge, MA) | Mehl, Andreas (Halle/Saale) | Folkerts, Menso (Munich) | Dingel, Joachim (Hamburg) | Neudecker, Richard (Rome) | Et al.
(Ἄτταλος; Áttalos). [German version] [1] Friend of  Philippus, rival of Alexander the Great at the court of his father Friend of  Philippus who did not punish him for an insult inflicted on Pausanias. At the wedding of his niece Cleopatra (II) to Philippus (337 BC) he called  Alexander [4] the Great a nothos (illegitimate son) and was attacked by him, whereupon Alexander and Olympias were banned (Plut. Alex. 9 among others). With his father-in-law (Curt. 6,9,18) Parmenion, he commanded the invading army in Asia. After Philippus' death, Alexander …

Aristarchus

(2,018 words)

Author(s): Meier, Mischa (Bielefeld) | Pressler, Frank (Heidelberg) | Folkerts, Menso (Munich) | Montanari, Franco (Pisa)
(Ἀρίσταρχος; Arístarchos). [German version] [1] Athenian politician (end o…

Serenus

(635 words)

Author(s): Touwaide, Alain (Madrid) | Schmidt, Peter Lebrecht | Folkerts, Menso (Munich)
[German version] [1] Quinctius S. Sammonicus Author of a collection of recipes (also Quintus Serenius). Author of the Liber Medicinalis, a collection of therapeutic recipes which can be neither dated nor identified; Q. has at times been identified with S. [2] Sammonicus or with his son (Septimius [II 6] S. Sammonicus; both died at the beginning of the 3rd cent. AD). The collection (dating between the 2nd and 4th cents. AD) cannot be chronologically ordered with any accuracy. It is written in hexameters and contain…

Hippocrates

(5,685 words)

Author(s): Patzek, Barbara (Wiesbaden) | Stein-Hölkeskamp, Elke (Cologne) | Folkerts, Menso (Munich) | Potter, Paul (London, Ontario) | Gundert, Beate (London, Ontario) | Et al.
(Ἱπποκράτης; Hippokrátēs). [German version] [1] Father of Peisistratus, from Brauron Father of  Peisistratus. H. is presumed to have come from Brauron, the later deme of Philaidai, and traced his ancestry back to Neleus (Hdt. 1,59; 5,65; Plut. Solon 10; 30). Patzek, Barbara (Wiesbaden) Bibliography Traill, PAA 538385. [German version] [2] Son of Megacles from Athens, approx. 6th cent. BC Son of the Alcmaeonid ( Alcmaeonids)  Megacles from Athens, born around 560 BC, H. was the brother of Cleisthenes, the father of  Megacles and Agariste [2] and thus th…

Nicon

(255 words)

Author(s): Beck, Hans (Cologne) | Bäbler, Balbina (Göttingen) | Günther, Linda-Marie (Munich) | Folkerts, Menso (Munich)
(Νίκων; Níkōn). [German version] [1] Theban military leader, 413 BC Theban leader of 300 Boeotian hoplites who, together with some Spartan units, crossed over to Sicily in 413 BC in order to defend Syracuse (Thuc. 7,19,3). Beck, Hans (Cologne) [German version] [2] Comedy writer, 4th/3rd cent. BC Comedy writer of the 4th or 3rd cent. BC; there is a preserved fragment of a play Kitharōdós, in which apparently the direct speech of a non-Greek slave is quoted (fr. 1). Bäbler, Balbina (Göttingen) Bibliography 1 PCG 7, 1989, 38. [German version] [3] Co-founder of the anti-Roman alliance of…

Theon

(2,323 words)

Author(s): Hoesch, Nicola (Munich) | Bäbler, Balbina (Göttingen) | Ameling, Walter (Jena) | Damschen, Gregor (Halle/Saale) | Folkerts, Menso (Munich) | Et al.
(Θέων; Théōn). [German version] [1] Greek painter from Samos, 300 BC and after T. of Samos was a Greek painter of the Hellenistic Period, who was active around and after 300 BC. His skill as a creator of images and the successful way in which his paintings were composed were praised in handbooks of rhetoric (e.g. Quint. Inst. 12,10,6) as examples to be followed. The viewer's creative imagination an…

Number

(5,221 words)

Author(s): Cancik-Kirschbaum, Eva (Berlin) | I.A. | Folkerts | Folkerts, Menso (Munich) | Crubellier, Michel (Villeneuve d'Ascq) | Et al.
I. Mesopotamia [German version] A. Numerical systems Before systems for representing numbers in writing were (further) developed, counting stones, known as calculi or tokens, were used in arithmetic. As first-order representations they enabled operations such as increasing, decreasing, combining, separating, and distributing. Their relationship to the numerical notations recorded in the oldest ‘texts’ (

Apollonius

(7,446 words)

Author(s): Ameling, Walter (Jena) | Fantuzzi, Marco (Florence) | Hunter, Richard (Cambridge) | Pressler, Frank (Heidelberg) | Hidber, Thomas (Berne) | Et al.
(Ἀπολλώνιος; Apollṓnnios). [German version] [1] Dioiketes of Ptolemy II (259-245 BC) Of Caria, possibly Ptolemaic o ikonomos there in 267 BC. Was dioiketes of Ptolemy II from April /May 259 until the end of 245; in 252 escorted Berenice to her wedding to Antiochus II. At a critical transition period A. found himself responsible for the economy of the kingdom of the Ptolemies, adapting the fiscal system to the monetary economy of the Lagids, for which purpose he was entrusted with the management of finances and the co…

Menaechmus

(496 words)

Author(s): Meister, Klaus (Berlin) | Folkerts, Menso (Munich) | Neudecker, Richard (Rome)
(Μέναιχμος/ Ménaichmos). [German version] [1] M. of Sicyon Greek historian and antiquary, 4th cent. BC Greek historian and antiquary of the 4th cent. BC. Author of a Pythian history ( Pythikós), which was superseded by a list of victors of the Pythian Games at Delphi composed by Aristotle (T 3) and therefore must have existed in the early 330s (cf. Syll.3 275). A history of Alexander, ( Historía hē katá ton Makedóna Aléxandron) is entirely lost (T 1), while only fragments remain of a local history of Sicyon ( Sikyōniká). Fragments of a treatise ‘On Artists ( Perí technítōn, F 3-6; 9) deal pr…

Nicomedes

(1,542 words)

Author(s): Welwei, Karl-Wilhelm (Bochum) | Schottky, Martin (Pretzfeld) | Folkerts, Menso (Munich) | Eck, Werner (Cologne)
(Νικομήδης; Nikomḗdēs). [German version] [1] Spartan commander, 458 or 457 BC Member of the Spartan royal family of the Agiadae, son of Cleombrotus [2], brother of Pausanias, the victor of Plataeae. In 458 or 457 BC, N. led a Spartan army as the guardian of his underage nephew Pleistoanax to support the inhabitants of the Doris region against the Phocians and on the return march defeated the Athenians near Tanagra (Thuc. 1,107,2-108,1; Diod. Sic. 11,79,4-80,6; Plut. Cimon 17,4-9; Plut. Pericles 10,1-4). Welwei, Karl-Wilhelm (Bochum) [German version] …

Zahl

(4,877 words)

Author(s): Cancik-Kirschbaum, Eva | I.A. | Folkerts, Menso; Crubellier, Michel | Folkerts, Menso | Crubellier, Michel; Ü:B.v.R. | Et al.
I. Mesopotamien [English version] A. Zahlensysteme Bevor Systeme zur Darstellung von Z. im Rahmen der Schrift (weiter)entwickelt wurden, dienten Zählsteine, sog. Calculi, als arithmetisches (Hilfs-)Mittel. Als Repräsentationen erster Ordnung ermöglichten sie Operationen wie Vermehren, Vermindern, Vereinigen, Abtrennen, Verteilen. Ihre Beziehung zu den in den ältesten “Texten” (ca. 3300 v. Chr.; Uruk) belegten numerischen Notationen wird noch diskutiert [2]. Die Z.-Zeichen dieser Texte repräsentieren n…

Neusis

(106 words)

Author(s): Folkerts, Menso (München)
[English version] (νεῦσις, eigentlich: “Neigung”, im mathematischen Sinne: “Einschiebung”) ist eine geom. Operation, die nicht allein mit Zirkel und Lineal durchführbar ist. Mit ihrer Hilfe können Probleme, die auf kubische und andere höhere Gleichungen führen (z.B. Würfelverdoppelung, Winkeldreiteilung, Kreisquadratur) geom. gelöst werden. Eine N. ist notwendig, wenn eine durch einen gegebenen Punkt laufende Gerade zwei gegebene Linien so schneiden soll, daß der Abstand der Schnittpunkte einer ge…

Iulianus/-os

(4,346 words)

Author(s): Giaro, Tomasz (Frankfurt/Main) | Nutton, Vivian (London) | Franke, Thomas (Bochum) | Johnston, Sarah Iles (Princeton) | Montanari, Franco (Pisa) | Et al.
Beinamen bei vielen Gentilicia [1]. Bekannte Personen: der Jurist Salvius I. [1], der Arzt I. [2], der Kaiser I. [11], gen. “Apostata”, die Bischöfe I. [16] von Aeclanum und I. [21] von Toledo. [English version] [1] L. Octavius Cornelius P. Salvius I. Aemilianus röm. Jurist, 2. Jh. Jurist, geb. um 100 n.Chr. in Nordafrika, gest. um 170 n.Chr., war ein Schüler des Iavolenus [2] Priscus (Dig. 40,2,5) und der letzte Vorsteher der sabinianischen Rechtsschule (Dig. 1,2,2,53). I., dessen Ämterfolge die Inschr. aus Pupput/Prov. Africa (CIL VIII 24…
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