Professor Curtin presents a well-defined interpretation of why migration has occurred in Africa, highlighting numerous sociopolitical and socioeconomic factors. According to Curtin, the most consistent reason for migration within Africa and into and out of Africa was the possession of technological advantage.
Philip DeArmond Curtin, 22 May 1922 - 4 June 2009, was a wide-ranging and influential historian whose pioneering use of modern statistical methods to determine the extent of the Atlantic slave trade suggested that far fewer slaves were transported from Africa than had previously been thought.