African knowledge was not only passed down orally.
The notion that ancient African education was oral and not written is only a myth. In his book, “Reversing Sail: A History of the African Diaspora,” Dr. Michael Gomez, an author and professor of history and Middle Eastern and Islamic studies at New York University, declares that, from 300 B.C. to A.D. 350, the Meroë civilization had developed a writing system of its own.