Credit: ©The Royal Society
    Image number: RS.15123

    Diagrams

    Date
    1658
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p3
    Material
    Dimensions
    height (page): 305mm
    width (page): 202mm
    Subject
    Description
    Christopher Wren's solution to a problem posed by Jean de Montfert (a pseudonym of Blaise Pascal): 'given the greatest diameters of an ellipse, and an assigned point in its transverse diameter, to find the numerical value of the segment of the line, limited by the ellipse, passing through the given point and making a given angle with the said diameter'. (As translated in The Correspondence of Henry Oldenburg, ed. by Hall and Hall, vol. 4, p. 291.)
    Transcription
    Spectatissimos Viros
    Matheseos Professores
    Et alios praeclaros in Anglia Mathematicos, ut hoc Problema solvere dignentur,
    Jean de Montfert maximé desiderat.
    Transcribed by the Making Visible project
    Object history
    John Wallis, 'Concerning some mistakes of a book entitled Specimina mathematica Francisci Dulaurens, especially touching a certain problem, affirmed to have been proposed by Dr Wallis to the mathematicians of all Europe', Phil. Trans., vol. 3, no. 34 (April 1668), p. [6]55. Wallis explains that this was not his challenge, but one issued by a Jean de Monfort (Blaise Pascal) in 1658, and solved by Christopher Wren.
    Related fellows
    Christopher Wren (1632 - 1723, British) , Architect
    Associated place
    <The World>
       > Europe
          > United Kingdom
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