PHILOSOPHER

Hippasus

600 BC - 500 BC

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Hippasus of Metapontum (; Ancient Greek: Ἵππασος ὁ Μεταποντῖνος, Híppasos; c. 530 – c. 450 BC) was a Greek philosopher and early follower of Pythagoras. Little is known about his life or his beliefs, but he is sometimes credited with the discovery of the existence of irrational numbers. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Hippasus is the 216th most popular philosopher (down from 147th in 2019), the 613th most popular biography from Italy (down from 348th in 2019) and the 18th most popular Italian Philosopher.

Hippasus is most famous for his discovery of the irrationality of the square root of two.

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Among PHILOSOPHERS

Among philosophers, Hippasus ranks 216 out of 1,267Before him are Georgi Plekhanov, Vasishtha, Julia Kristeva, Miguel de Unamuno, Orosius, and Baltasar Gracián. After him are G. E. M. Anscombe, Theano, Muhammad Abduh, Solomon ibn Gabirol, Benjamin Constant, and Xenocrates.

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Contemporaries

Among people born in 600 BC, Hippasus ranks 16Before him are Maya, Belshazzar, Mardonius, Gaius Marcius Coriolanus, Cambyses I, and Pheidippides. After him are Theano, Polycrates, Mahapajapati Gotami, Nahum, Bias of Priene, and Hippias. Among people deceased in 500 BC, Hippasus ranks 9Before him are Ānanda, Polykleitos, Artemisia I of Caria, Gaius Marcius Coriolanus, Diogenes of Apollonia, and Myron. After him are Rāhula, Himilco, Xanthippus, Gorgo, Queen of Sparta, Obadiah, and Demaratus.

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In Italy

Among people born in Italy, Hippasus ranks 613 out of 5,161Before him are Giuliano Gemma (1938), Alexander Farnese, Duke of Parma (1545), Fausto Cercignani (1941), Anastasia of Sirmium (281), Pinturicchio (1454), and Luca Signorelli (1450). After him are Lazzaro Spallanzani (1729), Dionysius I of Syracuse (-430), Julia the Elder (-39), Publius Clodius Pulcher (-90), Matilda of Tuscany (1046), and Giovanni Borgia, 2nd Duke of Gandia (1474).

Among PHILOSOPHERS In Italy

Among philosophers born in Italy, Hippasus ranks 18Before him are Bonaventure (1221), Marsilio Ficino (1433), Giambattista Vico (1668), Tommaso Campanella (1568), Cesare Beccaria (1738), and Alcmaeon of Croton (-510). After him are Theano (-600), Julius Evola (1898), Benedetto Croce (1866), Giorgio Agamben (1942), Marsilius of Padua (1275), and Elena Cornaro Piscopia (1646).