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Ken Saro-Wiwa, in full Kenule Beeson "Ken" Saro-Wiwa, (born October 10, 1941, Bori, Nigeria—died November 10, 1995, Port Harcourt), Nigerian writer, television producer (1967–73), and environmental activist who was executed by the Nigerian government for his outspoken criticism of the environmental degradation of the Niger River delta and the government's handling of the matter.