- Alexander Macfarlane (mathematician)
**Alexander Macfarlane**(April 21 1851 –August 28 ,1913 ) was a Scottish-Canadianlogic ian,physicist , andmathematician .He was born in Blairgowrie,

Scotland . During his life, Macfarlane played a prominent role in research and education. He was, at various times in his life, physicsprofessor at the University of Texas (1885 – 1894) [*See the [*] , professor of Advanced Electricity, and later of*http://www.lib.utexas.edu/taro/utcah/00515/cah-00515.html Macfarlane papers at the University of Texas*] .mathematical physics , atLehigh University . MacFarlane was the secretary of theQuaternion Society (1899 - 1913) and compiler of its publications.He was also the author of a popular 1916 collection of mathematical biographies ("Ten British Mathematicians"), a similar work on physicists ("Lectures on Ten British Physicists of the Nineteenth Century", 1919), and he compiled a

bibliography onquaternion s in 1904. Significantly, he inventedhyperbolic quaternion s, precursor toMinkowski space .(He was imbued withhyperbolic geometry through his brother-in-lawG. B. Halsted while they taught in Austin.)He actively participated in several International Congresses of Mathematicians including the primordial meeting in Chicago, 1893, and theParis meeting of 1900 where he spoke on "Application of space analysis to curvilinear coordinates".He retired to

Chatham, Ontario , where he died in 1913.**References****For further reading*** Knott, Cargill Gilston, "Alexander Macfarlane" (obituary), Nature, 25 September 1913.

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***External links*** [

*http://ca.geocities.com/macfarlanebio Biography of Alexander Macfarlane*] including primary and secondary references and links.

* [*http://www.electricscotland.com/history/canada/kent/macfarlane_alexander.htm Electric Scotland historical biography*]

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* [*http://www.lib.utexas.edu/taro/utcah/00515/cah-00515.html Macfarlane papers at the University of Texas*]

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