InventionsSUDAN:MEROITICInventionsLIBERIA/SIERRA LEONE: BASSA VAH ALPHABETInventionsETHIOPIA/ERITREA: GE’EZ SCRIPTAfrican ScientistsMAATHAI, WANGARIAfrican ScientistsMENSAH, THOMAS OWUSUAfrican ScientistsADDY, MARIAN EWURAMAAfrican ScientistsSAI, FREDERICK TORGBORInventionsSUDAN: OLD NUBIAN 1 2 3 4