The article does not ignore that fact ... > In his early 20s, Fibonacci traveled to the Middle East, captivated by ideas that had come west from India through

The article does not ignore that fact ... > In his early 20s, Fibonacci traveled to the Middle East, captivated by ideas that had come west from India through Persia. When he returned to Italy, Fibonacci published Liber Abbaci, one of the first Western works to describe the Hindu-Arabic numeric system.