(PART 1) ㅤ Fibonacci Sequence Documentary, Golden Section Explained - Secret Teachings The Fibonacci spiral is named after Italian mathematician Fibonacci. His 1202 book Liber Abaci introduced the sequence to Western European mathematics, although the sequence had been described earlier as Virahanka numbers in Indian mathematics. By modern convention, the sequence begins either with F0 = 0 or with F1 = 1. ㅤ The sequence described in Liber Abaci began with F1 = 1. Fibonacci numbers are closely re