the National Institute of Health Vaccine Research Center in the US. Gambian Tumani Corrah is a Gambian clinician whose fields of research include tuberculosis, HIV and malaria. Ghanaian Alexander Anim-Mensah, Ghanaian-American chemical engineer, inventor, and author. He is known for the contributions towards the field of membrane Science and technology. Laud Anthony Basing, Ghanaian, scientist and innovator Malian Mohammed Bagayogo (1523–1593), eminent scholar from Timbuktu, Mali. Modibo Mohammed Al Kaburi, scholar, Cadi and Jurist, and university professor, from Timbuktu, Mali. Cheick Modibo Diarra, (1952–), Malian-born aerospace engineer who contributed to several NASA missions such as Mars Path Finder, the Galileo spacecraft, and the Mars Observer. Ahmad Baba (1556–1627), medieval West African writer, scholar, and political provocateur. Sierra Leonean Abioseh Davidson Nicol, medical doctor, university principal, poet, author, and discover of the breakdown of insulin in the human body. Edward Wilmot Blyden III, diplomat, political scientist and educator. Abu Bakarr Kanu, academic and chemist. Ogunlade Davidson, academic and engineer. Noah Arthur Cox-George, academic and economist. Akintola Josephus Wyse, academic, author and historian. Aisha Fofana Ibrahim, academic and activist. Cyril Foray, academic, author and historian. Arthur Daniel Porter III, academic, author and historian. Olumbe Bassir, academic, biochemist and activist. Violet Showers Johnson, academic, author and historian. Mohamed Juldeh Jalloh, political scientist and politician. Kandeh Baba Conteh, political scientist and politician. Kadi Sesay, feminist, politician and linguist. Eustace Palmer, academic, literary critic and author. Omotunde E.G. Johnson, economist and researcher. Aminata Isatu Kamara, MBA, Academic, and NON Commissioner Officer(U.S. Military) Nigerian Chris Abani (born 27 December 1966), Nigerian and American author Catherine Obianuju Acholonu (26 October 1951 – 18 March 2014), Nigerian writer, researcher and former lecturer on African Cultural and Gender Studies. Akin Adesokan, Nigerian writer, scholar and novelist Chimamanda Ngozi Adichie (born 15 September 1977), Nigerian writer whose works range from novels to short stories to nonfiction Toyin Adewale-Gabriel (born 1969), Nigerian writer Ifi Amadiume (born 23 April 1947), Nigerian poet, anthropologist and essayist Yemisi Aribisala (born 27 April 1973), Nigerian essayist, writer, painter, and food memoirist Nnorom Azuonye (born 12 July 1967), publisher, theater director, playwright, poet and advertising professional. Jonathan O. Chimakonam, logician studying African Philosophy, developed the Ezumezu system of Three-valued logic Chinwe Nwogo Ezeani, Nigerian Chartered Librarian and the former University Librarian of Nnamdi Azkiwe Library University of Nigeria Nsukka. Philip Emeagwali, computer scientist mathematician and engineer Odafe Atogun, Nigerian writer John Ogbu (1939–2003), Nigerian-American anthropologist and