1921–2008
Chike Obi (April 17, 1921 â March 13, 2008) was a Nigerian politician, mathematician and professor. Chike Obi was the first Nigerian to hold a doctorate degree in mathematics.
Chike Obi (April 17, 1921 â March 13, 2008) was a Nigerian politician, mathematician and professor. Chike Obi was the first Nigerian to hold a doctorate degree in mathematics. Obi's early research dealt mainly with the question of the existence of periodic solutions of non-linear ordinary differential equations. He successfully used the perturbation technique, and several of his publications greatly helped to stimulate research interest in this subject throughout the world and have become classics in the literature. Obi is the author of several books and journals on mathematics and Nigerian politics.
Same nationality and era where possible; falls back to shared nationality or era.
Richard John Charles Tomlinson (born 13 January 1963) is a former officer of the British Secret Intelligence Service (MI6).
Ãlvaro Barreirinhas Cunhal (Portuguese pronunciation: [ËalvÉɾu kuËɲal]; 10 November 1913 â 13 June 2005) was a Portuguese leftist revolutionary and politician.
Wojciech Zamecznik (13 January 1923 in Warsaw â 12 May 1967 in Warsaw) was a Polish graphic artist, architect, photographer and interior designer. Zamecznik's most notable works are movie and socio-political posters.