Coolidge

Julian Lowell Coolidge

Born: 28 Sept 1873 in Brookline, Boston, Massachusetts, USA
Died: 5 March 1954 in Cambridge, Massachusetts, USA

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Julian Coolidge was educated at Harvard and Oxford and went to Turin and studied under Collado Segre and to Bonn where he studied under Study. He taught most of his career in Harvard.

He wrote many good texts on geometry including The Elements of Non-Euclidean Geometry (1909), A Treatise on the Circle and the Sphere (1916) and The Geometry of the Complex Domain (1924). Coolidge also wrote on probability with An Introduction to Mathematical Probability (1925) and on the history of mathematics with works such as A History of Geometrical Methods (1940), A History of the Conic Sections and Quadric Surfaces (1945), and The Mathematics of Great Amateurs (1949).

References:

  1. Dictionary of Scientific Biography
  2. Biography in Encyclopaedia Britannica
  3. D J Struik, J L Coolidge (1873-1954), Amer. Math. Monthly 62 (1955), 669-682. 
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JOC/EFR February 1996