Charles Dupin
(1784-1873) Catholic mathematician . A professor of mechanics who accomplished major work in descriptive and differential geometry. The originator of the conception of the conjugate tangents of a surface point and of the indicatrix.
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(1784-1873) Catholic mathematician . A professor of mechanics who accomplished major work in descriptive and differential geometry. The originator of the conception of the conjugate tangents of a surface point and of the indicatrix.