Edwin
A. Abbott, an English mathematician and theologian, it tells the story of a square living in Flatland: a two-dimensional realm. After a dream of a restrictive one-dimensional existence and the difficulties this poses, he is visited by a sphere from a three-dimensional space who wishes to enlighten him into the ways of “Upward, yet not Northward.”
Edwin A. Abbott wrote other theological fiction and non-fiction (including several biographies), but he is best remembered for Flatland. While it was mostly forgotten..." data-title="Книга Flatland">