South African writer and Nobel Prize winner Nadine Gordimer has died at her home in Johannesburg at the age of 90. The accomplished novelist was also beloved for her staunch anti-apartheid activism and mentoring of black South African writers.South African writer and Nobel Prize winner Nadine Gordimer has died at her home in Johannesburg at the age of 90. The accomplished novelist was also beloved for her staunch anti-apartheid activism and mentoring of black South African writers.