Maqubela 's work has appeared in the Washington Post , where he authored an op - ed regarding the death of South African president Nelson Mandela , whom his grandfather taught .
Was close with Maqubela 's family .
Maqubela 's work has appeared in the Washington Post , where he authored an op - ed regarding the death of South African president Nelson Mandela , whom his grandfather taught , and was close with his family .