The word game “Doublet” was invented by Lewis Carroll (1832-1898), the author of children’s classics “Alice in Wonderland”, Lewis Carroll was also a mathematician, who was known to his fellow mathematicians as Charles L. Dodgson. Aside from children’s classics, he had also written a number mathematics books.

Halloween or Hallowe’en (/ˌhæləˈwiːn, -oʊˈiːn, ˌhɑːl-/; a contraction of “All Hallows’ Evening”), also known as Allhalloween, All Hallows’ Eve, or All Saints’ Eve, is a yearly celebration observed in a number of countries on 31 October, the eve of the Western Christian feast of All Hallows’ Day. It initiates the triduum of Allhallowtide, the time […]