John Fillmore Hayford

John Fillmore Hayford (May 19, 1868 - March 10, 1925) was eminent United States geodesist.

His work involved the study of isostasy and the construction of a reference ellipsoid for approximating the figure of the Earth.

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See also: John Fillmore Hayford, 1868, 1925, Figure of the Earth, Geodesist, Geology, Isostasy, March 10