Hypatia of Alexandria
BiographyHypatia of Alexandria was the first woman to make a substantial contribution to the development of mathematics.
Hypatia was the daughter of the mathematician and philosopher Theon of Alexandria and it is fairly certain that she studied mathematics under the guidance and instruction of her father. It is rather remarkable that Hypatia became head of the Platonist school at Alexandria in about 400 AD. There she lectured on mathematics and philosophy, in particular teaching the philosophy of Neoplatonism. Hypatia based her teachings on those of Plotinus, the founder of Neoplatonism, and Iamblichus who was a developer of Neoplatonism around 300 AD.
Plotinus taught that there is an ultimate reality which is beyond the reach of thought or language. The object of life was to aim at this ultimate reality which could never be precisely described. Plotinus stressed that people did not have the mental capacity to fully understand both the ultimate reality itself or the consequences of its existence. Iamblichus distinguished further levels of reality in a hierarchy of levels beneath the ultimate reality. There was a level of reality corresponding to every distinct thought of which the human mind was capable. Hypatia taught these philosophical ideas with a greater scientific emphasis than earlier followers of Neoplatonism. She is described by all commentators as a charismatic teacher.
Hypatia came to symbolise learning and science which the early Christians identified with paganism. However, among the pupils whom she taught in Alexandria there were many prominent Christians. One of the most famous is Synesius of Cyrene who was later to become the Bishop of Ptolemais. Many of the letters that Synesius wrote to Hypatia have been preserved and we see someone who was filled with admiration and reverence for Hypatia's learning and scientific abilities.
In 412 Cyril (later St Cyril) became patriarch of Alexandria. However the Roman prefect of Alexandria was Orestes and Cyril and Orestes became bitter political rivals as church and state fought for control. Hypatia was a friend of Orestes and this, together with prejudice against her philosophical views which were seen by Christians to be pagan, led to Hypatia becoming the focal point of riots between Christians and non-Christians. Hypatia, Heath writes, :-
... by her eloquence and authority ... attained such influence that Christianity considered itself threatened ...A few years later, according to one report, Hypatia was brutally murdered by the Nitrian monks who were a fanatical sect of Christians who were supporters of Cyril. According to another account (by Socrates Scholasticus) she was killed by an Alexandrian mob under the leadership of the reader Peter. What certainly seems indisputable is that she was murdered by Christians who felt threatened by her scholarship, learning, and depth of scientific knowledge. This event seems to be a turning point as described in :-
Whatever the precise motivation for the murder, the departure soon afterward of many scholars marked the beginning of the decline of Alexandria as a major centre of ancient learning.There is no evidence that Hypatia undertook original mathematical research. However she assisted her father Theon of Alexandria in writing his eleven part commentary on Ptolemy's Almagest Ⓣ. It is also thought that she also assisted her father in producing a new version of Euclid's Elements which has become the basis for all later editions of Euclid. Heath writes of Theon and Hypatia's edition of the Elements :-
.. while making only inconsiderable additions to the content of the "Elements", he endeavoured to remove difficulties that might be felt by learners in studying the book, as a modern editor might do in editing a classical text-book for use in schools; and there is no doubt that his edition was approved by his pupils at Alexandria for whom it was written, as well as by later Greeks who used it almost exclusively...In addition to the joint work with her father, we are informed by Suidas that Hypatia wrote commentaries on Diophantus's Arithmetica, on Apollonius's Conics and on Ptolemy's astronomical works. The passage in Suidas is far from clear and most historians doubt that Hypatia wrote any commentaries on Ptolemy other than the works which she composed jointly with her father.
All Hypatia's work is lost except for its titles and some references to it. However no purely philosophical work is known, only work in mathematics and astronomy. Based on this small amount of evidence Deakin, in  and , argues that Hypatia was an excellent compiler, editor, and preserver of earlier mathematical works.
As mentioned above, some letters of Synesius to Hypatia exist. These ask her advice on the construction of an astrolabe and a hydroscope.
Charles Kingsley (best known as the author of The Water Babies) made her the heroine of one of his novels Hypatia, or New Foes with an Old Face. As Kramer writes in :-
Such works have perpetuated the legend that she was not only intellectual but also beautiful, eloquent, and modest.
- E A Kramer, Biography in Dictionary of Scientific Biography (New York 1970-1990).
See THIS LINK.
- Biography in Encyclopaedia Britannica.
- M Dzielska, Hypatia of Alexandria (Harvard, 1995).
- T L Heath, A History of Greek Mathematics (2 Vols.) (Oxford, 1921).
- B L van der Waerden, Science Awakening (New York, 1954).
- L Cameron, Isidore of Miletus and Hypatia of Alexandria: On the Editing of Mathematical Texts, Greek, Roman and Byzantine Studies 31 (1990), 103-127.
- E Craig (ed.), Routledge Encyclopedia of Philosophy 4 (London-New York, 1998), 596-597.
- M A B Deakin, Hypatia and her mathematics, Amer. Math. Monthly 101 (3) (1994), 234-243.
- M A B Deakin, Hypatia of Alexandria, Mathematics Education 8 (3) (1992), 187-191.
- H Gorenflo, Zum Jahr der Frau : von Hypatia bis Emmy, Praxis Math. 17 (7) (1975), 173-176.
- I Mueller, Hypatia (370?-415), in L S Grinstein and P J Campbell (eds.), Women of Mathematics (Westport, Conn., 1987), 74-79.
- A W Richeson, Hypatia of Alexandria, National Mathematics Magazine 15 (1940), 74-82.
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Written by J J O'Connor and E F Robertson
Last Update April 1999
Last Update April 1999