Since the 1950s, Nigerian writers have made a mark in the literary scene in both Africa and the world. Some of the prolific writers including Amos Tutuila, Chinua Achebe, Buchi Emecheta, Wole Soyinka and most recently Chimamanda Adichie are noted for producing not only groundbreaking literary works but also engaging in social activism on issues such as human rights, governance and feminism.