Ctesibius
（Κτησίβιος). A native of Ascra and contemporary of Archimedes, who flourished during the reigns of Ptolemy II. and Ptolemy III., or between B.C. 260 and 240. He was the son of a barber, and for some time exercised at Alexandria the calling of his parent. His mechanical genius, however, soon caused him to emerge from obscurity, and he became known a...
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（Κτησίας). A Greek historian, born in Cnidus in Caria, and a contemporary of Xenophon. He belonged to the family of the Asclepiadae at Cnidus. In B.C. 416, he went to the Persian court, and became private physician to King Artaxerxes Mnemon. In this capacity he accompanied the king on his expedition against his brother Cyrus, and cured him of the w...
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Ctesibius or Ktesibios or Tesibius (Greek Κτησίβιος) (fl. 285–222 BC) was a Greek[1] inventor and mathematician in Alexandria, Ptolemaic Egypt. He wrote the first treatises on the science of compressed air and its uses in pumps (and even a cannon). This, in combination with his work on the elasticity of air On pneumatics, earned him the title of "f...
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Ctesibius or Ktesibios or Tesibius (Greek Κτησίβιος) (fl. 285–222 BC) was a Greek[1] inventor and mathematician in Alexandria, Ptolemaic Egypt. He wrote the first treatises on the science of compressed air and its uses in pumps (and even a cannon). This, in combination with his work on the elasticity of air On pneumatics, earned him the title of "f...
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（Κτησίβιος). A native of Ascra and contemporary of Archimedes, who flourished during the reigns of Ptolemy II. and Ptolemy III., or between B.C. 260 and 240. He was the son of a barber, and for some time exercised at Alexandria the calling of his parent. His mechanical genius, however, soon caused him to emerge from obscurity, and he became known a...
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