MATHEMATICIAN

Ctesibius

284 BC - 221 BC

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Ctesibius or Ktesibios or Tesibius (Ancient Greek: Κτησίβιος; fl. 285–222 BCE) was a Greek inventor and mathematician in Alexandria, Ptolemaic Egypt. Very little is known of Ctesibius' life, but his inventions were well known in his lifetime. He was likely the first head of the Museum of Alexandria. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ctesibius has received more than 308,459 page views. His biography is available in 37 different languages on Wikipedia. Ctesibius is the 85th most popular mathematician (down from 80th in 2019), the 99th most popular biography from Egypt (down from 86th in 2019) and the 6th most popular Egyptian Mathematician.

Ctesibius is most famous for inventing the aeolipile, a device that is similar to a modern day steam engine.

Memorability Metrics

  • 310k

    Page Views (PV)

  • 71.76

    Historical Popularity Index (HPI)

  • 37

    Languages Editions (L)

  • 10.37

    Effective Languages (L*)

  • 2.25

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, Ctesibius ranks 85 out of 1,004. Before him are Andrey Kolmogorov, Jacob Bernoulli, Regiomontanus, Pappus of Alexandria, Stefan Banach, and Felix Klein. After him are Alexander Friedmann, Stanislaw Ulam, Katherine Johnson, Paul Erdős, Lars Ahlfors, and Adrien-Marie Legendre.

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Contemporaries

Among people born in 284 BC, Ctesibius ranks 2. Before him is Ptolemy III Euergetes.  Among people deceased in 221 BC, Ctesibius ranks 1. After him are Hasdrubal Barca, Berenice II of Egypt, Antigonus III Doson, Conon of Samos, Hasdrubal the Fair, Lucius Caecilius Metellus, and Sphaerus.

Others Born in 284 BC

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Others Deceased in 221 BC

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In Egypt

Among people born in Egypt, Ctesibius ranks 99 out of 642. Before him are Saint Menas (285), Userkaf (-2600), Adly Mansour (1945), Cleopatra III of Egypt (-161), Pappus of Alexandria (290), and Mary of Egypt (344). After him are Djet (-3000), Mohamed ElBaradei (1942), Ramesses VI (-1175), Mohamed Hussein Tantawi (1935), Meritaten (-1400), and Kamose (-1600).

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Among MATHEMATICIANS In Egypt

Among mathematicians born in Egypt, Ctesibius ranks 6. Before him are Euclid (-350), Hypatia (350), Hero of Alexandria (10), Diophantus (201), and Pappus of Alexandria (290). After him are Theon of Alexandria (335), Menelaus of Alexandria (70), Ibn Yunus (950), Ahmes (-1680), Abū Kāmil Shujāʿ ibn Aslam (850), and Hypsicles (-190).

Egyptian born Mathematicians

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