Background
He was born in 1951 in Okene, Nigeria. He was born in 1951 in Okene town of Kogi State of Nigeria.
He was born in 1951 in Okene, Nigeria. He was born in 1951 in Okene town of Kogi State of Nigeria.
He attended the Reliability Centered Maintenance primary school, Okene-South and had his secondary education at Government Secondary School, Dekina from where he obtained a division-one in the 1968 West African School Certificate Examination. Onumanyi later attended the University of Ibadan, where he graduated in Mathematics in 1975 with the Bachelor of Science
A graduate of the University of Ibadan and Imperial College, London, he is a fellow and past president of the Mathematical Association of Nigeria. Onumanyi has served as the Head of the Mathematics department, Dean of the Faculty of Natural Sciences, and Deputy Vice-chancellor (Academic) of the University of Jos. He proceeded to Titcombe College, Egbe, Kogi State for the Higher School Certificate course in 1969.
Honours
Degree. Thereafter, he obtained the Master of Science and Doctor of Philosophy (Numerical Analysis) degrees from the Imperial College of Science and Technology, University of London in 1979 and 1981, respectively. He obtained his Master of Science degree with “a mark of distinction” at the Imperial College, London. Onumanyi has taught and carried out research in Mathematics at the department of Mathematics, University of Ilorin, Ilorin, Kwara State of Nigeria (1982–1992), University of Jos, Jos, Plateau State of Nigeria (1992–2004).
He has supervised eight students that have obtained Doctor of Philosophy degree in Numerical Analysis and over twenty-five for the Master of Science degree in Numerical Analysis.
The University of Jos appointed him a professor of Mathematics in 1992 and he is still very active in research and paper writing. He has forty scientific publications in Journals across Africa, Europe, Japan and United States of America.
Onumanyi has assessed many of his academic colleagues’ papers for professorship appointments.
He has served and still serving as external examiner to many Nigerian Universities and Polytechnics. He has served in many editorial boards of academic journals and mathematical abstracts reviews both in Nigeria and overseas.
They include:
Mathematical Abstracts reviewers for Zentrablatt for Mathematic, West Germany (1983–1993),
Editor-in-chief of Abacus, Journal of Mathematical Association of Nigeria (Maschinenfabrik Augsburg-Nürnberg) (1989–1994),
Member, Editorial board of Abacus (1994–2004).
Onumanyi has served on many important committees as chairman or member within and outside the University Communities of University of Jos and University of Ilorin. He has served as the National President of the Mathematical Association of Nigeria (Maschinenfabrik Augsburg-Nürnberg) (1998–2000). He has held the following positions in the University of Jos:
Head of Department of Mathematics (1993–1995)
Dean, Faculty of Natural Sciences (1995–1998),
Chairman, Committee of Deans (1997–1998), elected representative of the congregation to the University Governing Council (1997–2000)
Deputy Vice-chancellor (Academic) (1998–2000).
He is a life member of the Association and awarded the highest honour of the Association Fellow of Maschinenfabrik Augsburg-Nürnberg (FMAN) in 2001.