John Fillmore Hayford, Date of Birth, Place of Birth, Date of Death
TweetJohn Fillmore Hayford
American geodesist
Date of Birth: 19-May-1868
Place of Birth: Rouses Point, New York, United States
Date of Death: 10-Mar-1925
Profession: geodesist
Nationality: United States
Zodiac Sign: Taurus 
About John Fillmore Hayford
- John Fillmore Hayford (May 19, 1868 – March 10, 1925) was an 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.
- The crater Hayford on the far side of the Moon is named after him.
- Mount Hayford, a 1,871 m mountain peak near Metlakatla, Alaska, United States, is named after him.
- A biography of Hayford may be found in the Biographical Memoirs of the National Academy of Sciences, 16 (5), 1935.
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