John Chortasmenos ( gr, Ἰωάννης Χορτασμένος; – before June 1439) was a

Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

monk and bishop of

Selymbria Selymbria ( gr, Σηλυμβρία),Demosthenes, '' de Rhod. lib.'', p. 198, ed. Reiske. or Selybria (Σηλυβρία), or Selybrie (Σηλυβρίη), was a town of ancient Thrace on the Propontis, 22 Roman miles east from Perinthus, and 44 Rom ...

, who was a distinguished

bibliophile Bibliophilia or bibliophilism is the love of books. A bibliophile or bookworm is an individual who loves and frequently reads and/or collects books. Profile The classic bibliophile is one who loves to read, admire and collect books, often ama ...

, writer, and teacher.

Life

Chortasmenos is first attested as a notary of the

patriarchal Patriarchy is a social system in which positions of Dominance hierarchy, dominance and Social privilege, privilege are primarily held by men. It is used, both as a technical Anthropology, anthropological term for families or clans controll ...

chancery in 1391. He continued to occupy this position until . At some point he became a monk, with the

monastic name A religious name is a type of given name bestowed for a religious purposes, and which is generally used in such contexts. Christianity Catholic Church Baptismal name In baptism, Catholics are given a Christian name, which should not be "foreign ...

Ignatios. Eventually he was raised to

metropolitan bishop In Christian churches with episcopal polity, the rank of metropolitan bishop, or simply metropolitan (alternative obsolete form: metropolite), pertains to the diocesan bishop or archbishop of a metropolis. Originally, the term referred to the b ...

, a post he held by 1431.

Work

An ardent

, Chortasmenos is notable both as a writer as well as a teacher, counting scholars

Mark of Ephesus Mark of Ephesus ( Greek: Μάρκος ό Εφέσιος, born Manuel Eugenikos) was a hesychast theologian of the late Palaiologan period of the Byzantine Empire who became famous for his rejection of the Council of Ferrara-Florence (1438–1439) ...

Bessarion Bessarion ( el, Βησσαρίων; 2 January 1403 – 18 November 1472) was a Byzantine Greek Renaissance humanist, theologian, Catholic cardinal and one of the famed Greek scholars who contributed to the so-called great revival of letters ...

and Gennadius Scholarius among his pupils. He was the author of philological, historical and philosophical works, as well as at least 56 surviving letters to various literati and to Emperor

Manuel II Palaiologos Manuel II Palaiologos or Palaeologus ( gr, Μανουὴλ Παλαιολόγος, Manouēl Palaiológos; 27 June 1350 – 21 July 1425) was Byzantine emperor from 1391 to 1425. Shortly before his death he was tonsured a monk and received the na ...

. He wrote a

hagiography A hagiography (; ) is a biography of a saint or an ecclesiastical leader, as well as, by extension, an adulatory and idealized biography of a founder, saint, monk, nun or icon in any of the world's religions. Early Christian hagiographies migh ...

Constantine the Great Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...

and

Helena of Constantinople Flavia Julia Helena ''Augusta'' (also known as Saint Helena and Helena of Constantinople, ; grc-gre, Ἑλένη, ''Helénē''; AD 246/248– c. 330) was an '' Augusta'' and Empress of the Roman Empire and mother of Emperor Constantine th ...

, commentaries on John Chrysostomos and

Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of phil ...

, a treatise on hyphenation, as well as poems. It has been suggested that he wrote a historical work, now lost, covering the period between the end of the history of Emperor

John VI Kantakouzenos John VI Kantakouzenos or Cantacuzene ( el, , ''Iōánnēs Ángelos Palaiológos Kantakouzēnós''; la, Johannes Cantacuzenus; – 15 June 1383) was a Byzantine Greek nobleman, statesman, and general. He served as grand domestic under An ...

and the early 15th century, when the historians who wrote after the

Fall of Constantinople The Fall of Constantinople, also known as the Conquest of Constantinople, was the capture of the capital of the Byzantine Empire by the Ottoman Empire. The city fell on 29 May 1453 as part of the culmination of a 53-day siege which had begun o ...

started their works with. Herbert Hunger attributed to him an anonymous account of the Ottoman siege of

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

in 1394–1402, but this was rejected by Paul Gautier.

Library

At least 24 surviving manuscripts are known to have belonged to Chortasmenos' library. Among the more notable is the

Juliana Anicia Codex The Vienna Dioscurides or Vienna Dioscorides is an early 6th-century Byzantine Greek illuminated manuscript of an even earlier 1st century AD work, ''De materia medica'' (Περὶ ὕλης ἰατρικῆς : Perì hylēs iatrikēs in the origi ...

Dioscurides Pedanius Dioscorides ( grc-gre, Πεδάνιος Διοσκουρίδης, ; 40–90 AD), “the father of pharmacognosy”, was a Greek physician, pharmacologist, botanist, and author of ''De materia medica'' (, On Medical Material) —a 5-vol ...

, which he had restored, rebound, and a table of contents and extensive

scholia Scholia (singular scholium or scholion, from grc, σχόλιον, "comment, interpretation") are grammatical, critical, or explanatory comments – original or copied from prior commentaries – which are inserted in the margin of th ...

added in Byzantine

Greek minuscule Greek minuscule was a Greek writing style which was developed as a book hand in Byzantine manuscripts during the 9th and 10th centuries. It replaced the earlier style of uncial writing, from which it differed in using smaller, more rounded and mo ...

in 1406.Janick, Jules, and John Stolarczyk. "Ancient Greek illustrated Dioscoridean herbals: origins and impact of the Juliana Anicia Codex and the Codex Neopolitanus." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 40.1 (2012): 09. Beside the same problem in

Diophantus Diophantus of Alexandria ( grc, Διόφαντος ὁ Ἀλεξανδρεύς; born probably sometime between AD 200 and 214; died around the age of 84, probably sometime between AD 284 and 298) was an Alexandrian mathematician, who was the aut ...

' manuscript next to which Fermat would later write his famous marginalia (

Fermat's Last Theorem In number theory, Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers , , and satisfy the equation for any integer value of greater than 2. The cases and have been k ...

), Chortasmenos wrote, "Thy soul, Diophantus, be with Satan because of the difficulty of your other theorems and particularly of the present theorem." In 2013, Italian Philologist and historian of Mathematics Fabio Acerbi showed that Chortasmenos wasn't cursing Diophantus because of the same passage next to which Fermat wrote his theorem (II.8), but because of the far more difficult II.7.

Life

Work

Library

References

Further reading