Author:John Sturgeon Mackay

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John Sturgeon Mackay
M.A., LL.D., F.R.S. (Edin.). Chief Mathematical Master at Edinburgh Academy, 1873-1904. First President of the Edinburgh Mathematical Society. Author of Arithmetical Exercises; Elements of Euclid.[1]
This author wrote articles for the 1911 Encyclopædia Britannica.
Articles attributed to this author are designated in EB1911 by the initials "J. S. M."



  1. Gibson, George A. (1914). "John Sturgeon Mackay, M.A., LL.D.". Proceedings of the Edinburgh Mathematical Society 32: 151–159. doi:10.1017/S0013091500035136. 

Works by this author published before January 1, 1924 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.