John Casey (mathematician)
John Casey (12 May 1820, Kilkenny, 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 the problem of Apollonius. 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.
Read more about John Casey (mathematician): Biography, Honours and Awards, Major Works
Famous quotes containing the words john and/or casey:
“After I was married a year I remembered things like radio stations and forgot my husband.”
—P. J. Wolfson, John L. Balderston (1899–1954)
“Casey Jones, mounted to the cabin,
Casey Jones, throttle in his hand,
Casey Jones mounted to the cabin,
Took his farewell journey to the Promised Land.”
—Unknown. Casey Jones (l. 49–52)