Ndaba Mandela, the grandson of former South African President Nelson Mandela and co-founder of the Africa Rising Foundation, will be the 21st keynote speaker for the Fannie Lou Hamer Human & Civil Rights Symposium. According to the Press of Atlantic City the event is scheduled for 2:30 p.m. Oct. 8 at the Stockton Performing Arts Center.Ndaba Mandela is the co-founder and chairman of the Mandela Institute for Humanity, a group that provides support for the next generation of African leaders and aims to end HIV/AIDS.