Word: hayford
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Dates: during 1920-1929
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Last week, it was announced that there finally had been an international agreement on this subject. The International Geodetic and Physical Union, meeting at Madrid, Spain, adopted the figures of Director John F. Hayford of the College of Engineering of Northwestern University, noted for his demonstration of the theory of isostasy, fundamental concept of the reciprocal balance of segments of the earth. By investigations made in 1909 and 1910, he determined that the diameter of the earth at the equator is 7,926,678 miles and 7,889,964 miles through the poles. This establishes that the earth...
Died. Prof. John F. Hayford, 57, Director of the College of Engineering, Northwestern University; in Chicago, of a stroke suffered last December (see SCIENCE...
...business men on economic subjects and to promote cooperation between the practical and scholastic departments of economic science. Plans for the future development of the bureau will be discussed. There has been a gain of from three hundred to eight hundred subscribers in the past year. Mr. F. L. Hayford of the General Motors Co. will preside at the afternoon session...