Jafar, India, and the Secret of Zero: An Arabian Nights Journey

In the world of numbers, there is a single symbol that changed the course of human history: zero. Today we take it for granted, written as a simple hollow circle on a page or screen. Yet centuries ago, zero was not just a number—it was a mystery, a philosophical puzzle, even a source of wonder.To uncover the story of how zero traveled from India to the courts of Baghdad, we must turn not to a dry history book, but to the enchanted tales of the Arabian Nights. Here we meet Jafar ibn Yahya, vizier to Caliph Harun al-Rashid, a man remembered both in history and legend. And it is through his world—the libraries of Baghdad, the caravans from India, the golden age of Islamic scholarship—that the “nothing” of mathematics became “everything” to civilization.