Euclid and his Modern Rivals Euclid and his Modern Rivals Euclid and his Modern Rivals is a mathematical book published in 1879 by the English mathematician Charles Lutwidge Dodgson (1832–1898), better known under his literary pseudnym "Lewis Carroll". It considers the pedagogic merit of thirteen contemporary geometry textbooks, demonstrating how each in turn is either inferior to or functionally identical to Euclid's "Elements". In it Dodgson supports using Euclid's geometry textbook "The Elements" as the geometry textbook in schools against more modern geometry textbooks that were replacing it, advocated by the Association for the Improvement of Geometrical Teaching, satirized in the book as the "Association
Skeffington Lutwidge September. Lutwidge moved his flag to the new guard ship, the third rate in October, shifting again to in 1799. He became a vice-admiral of the red on 14 February that year, and by 1799 he was commander of the fleets in the Downs, where under his command in 1801 was his former midshipman of the "Carcass" Horatio Nelson, by now in command of . Lutwidge was advanced to admiral of the blue on 1 January 1801, admiral of the white on 9 November 1805, and admiral of the red on 31 July 1810. He retired from active service and