Английская Википедия:Irving Stringham
Шаблон:Short description Шаблон:Infobox scientist
Washington Irving Stringham (December 10, 1847 – October 5, 1909) was an American mathematician born in Yorkshire, New York. He was the first person to denote the natural logarithm as <math>\ln(x)</math> where <math>x</math> is its argument. The use of <math>\ln(x)</math> in place of <math>\log_e(x)</math> is commonplace in digital calculators today.
"In place of <math>^{e}\log</math> we shall henceforth use the shorter symbol <math>\ln</math>, made up of the initial letters of logarithm and of natural or Napierian."[1]
Stringham graduated from Harvard College in 1877. He earned his PhD from Johns Hopkins University in 1880. His dissertation was titled Regular Figures in N-dimensional Space[2] under his advisor James Joseph Sylvester.
In 1881 he was in Schwartzbach, Saxony, when he submitted an article on finite groups found in the quaternion algebra.[3]
Stringham began his professorship in mathematics at Berkeley in 1882.[4] In 1893 in Chicago, his paper Formulary for an Introduction to Elliptic Functions was read at the International Mathematical Congress held in connection with the World's Columbian Exposition.[5] In 1900 he was an Invited Speaker at the ICM in Paris.[6]
Personal life
Irving married Martha Sherman Day. The couple raised a daughter, Martha Sherman Stringham, (March 5, 1891- August 7, 1967).
References
Publications
- I. Stringham (1879) The Quaternion Formulae for Quantification of Curves, Surfaces, and Solids, and for Barycenters, American Journal of Mathematics 2:205–7.
- I. Stringham (1901) On the geometry of planes in a parabolic space of four dimensions, Transactions of the American Mathematical Society 2:183–214.
- I. Stringham (1905) "A geometric construction for quaternion products", Bulletin of the American Mathematical Society 11(8):437–9.
External links
- Шаблон:MathGenealogy
- Portrait of W. Irving Stringham from Mathematics Department University of California, Berkeley
- San Francisco Call 6 October 1909 re Irving Stringham death, from California Digital Newspaper Collection.
- ↑ Charles Smith, Irving Stringham, Elementary algebra for the use of schools and colleges 2nd ed, (The Macmillan Company, New York, 1904) p 437.
- ↑ W.I. Stringham "Regular Figures in N-dimensional Space", American Journal of Mathematics Vol 3 (1880) pp 1-15.
- ↑ I. Stringham (1881) "Determination of the finite quaternion groups", American Journal of Mathematics 4(1–4):345–57
- ↑ "In Memoriam, Dean Stringham" University of California Chronicle Vol XII (University Press, Berkeley, 1909) pp 1–20.
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite book
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