John Casey (mathematician), Date of Birth, Place of Birth, Date of Death

    

John Casey (mathematician)

Irish geometer

Date of Birth: 12-May-1820

Place of Birth: Kilbeheny, Ireland

Date of Death: 03-Jan-1891

Profession: mathematician

Nationality: Ireland

Zodiac Sign: Taurus


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About John Casey (mathematician)

  • John Casey (12 May 1820, Kilbehenny, County Limerick, Ireland – 3 January 1891, Dublin) was a respected Irish geometer.
  • He is most famous for Casey's theorem on a circle that is tangent to four other circles, an extension of Ptolemy's theorem.
  • However, he contributed several novel proofs and perspectives on Euclidean geometry.
  • He and Émile Lemoine are considered to be the co-founders of the modern geometry of the circle and the triangle.

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