Todhunter, Isaac, mathematician, born at Rye; educated at University College, London, and at Cambridge, where he graduated senior wrangler and Smith's prizeman in 1848; elected Fellow and principal mathematical lecturer of his college (St. John's), and soon became widely known in educational circles by his various and excellent handbooks and treatises on mathematical subjects (1820‒1884).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Tocqueville, Alexis Clérel de * Todleben, Eduard Ivanovitch