Janus, God of Doors

by practicalspactical

In Greek mythology, Janus (or Ianus) was the god of gates, doors, doorways, beginnings and endings. His most prominent remnants in modern culture are his namesakes: the month of January, which begins the new year, and the janitor, who is a caretaker of doors and halls. — From Wikipedia, Janus. http://en.wikipedia.org/wiki/Janus

God Created the Integers
God Created the Integers: The Mathematical Breakthroughs That Changed History is an anthology of English translations of important works in