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Professor James O. C. Ezeilo: Nigeria’s First Professor of Mathematics and Academic Trailblazer

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Honouring the legacy of Professor James O. C. Ezeilo — the brilliant mathematician whose pioneering work and leadership helped shape Nigeria’s academic landscape.

Early Life and Education

Professor James Okoye Chukuka Ezeilo was born in 1930 in Enugu State, southeastern Nigeria. A gifted child with a natural aptitude for numbers, he attended the prestigious Government College, Umuahia, known for producing some of Nigeria’s greatest intellectuals. His early brilliance in mathematics stood out, earning him scholarships and setting the stage for a trailblazing academic journey.

Ezeilo later studied at the University College, Ibadan (then affiliated with the University of London), where he obtained a Bachelor of Science degree in Mathematics. His outstanding academic record led to further studies abroad, culminating in a PhD in Mathematics from the University of Cambridge, one of the world’s foremost institutions in mathematical research.

His doctoral work, which focused on differential equations, formed the basis for his later research contributions that would influence mathematical study across Africa.

Becoming Nigeria’s First Professor of Mathematics

In 1962, James O. C. Ezeilo achieved a historic milestone by becoming the first Nigerian to be appointed Professor of Mathematics. This appointment marked a turning point in Nigeria’s academic history, as it demonstrated that Nigerians could not only learn but also teach and lead in highly technical scientific disciplines previously dominated by expatriates.

Ezeilo’s research interests lay in ordinary differential equations and stability theory, particularly the theory of Lyapunov functions — a critical area of study in applied mathematics and physics. His groundbreaking work led to the development of the Ezeilo Constant, a contribution recognised in mathematical literature.

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He published numerous academic papers and was a fellow of several professional bodies, including the Mathematical Association of Nigeria (MAN) and the Nigerian Academy of Science.

Academic Leadership and Vice-Chancellorship

Beyond mathematics, Professor Ezeilo was also a visionary administrator. His commitment to education and academic excellence led him to serve as Vice-Chancellor of two Nigerian universities:

University of Nigeria, Nsukka (UNN)

Bayero University, Kano (BUK)

As Vice-Chancellor, he was known for his integrity, humility, and passion for developing young Nigerian scholars. He promoted research-driven education, faculty development, and infrastructural growth within both institutions. Under his leadership, these universities witnessed significant expansion in science and engineering faculties, setting new academic standards in the post-independence era.

Ezeilo also played an instrumental role in nurturing Nigeria’s mathematical community, mentoring generations of scholars who would later become professors, researchers, and policy leaders.

Contributions to Mathematics and Society

Professor Ezeilo’s research was not confined to academic circles alone. His mathematical theories had practical applications in engineering, physics, and environmental modelling. He was among the first African scholars to publish in internationally peer-reviewed mathematical journals, helping to establish Nigeria’s credibility in global scientific discourse.

He was also deeply involved in educational reform, advocating for improved science curricula and greater investment in research funding across Nigerian universities. As a founding member of the Science Teachers Association of Nigeria (STAN) and a strong supporter of the Mathematical Centre in Abuja, he worked tirelessly to ensure that young Nigerians could access quality education in mathematics and related fields.

Later Life and Passing

Professor James O. C. Ezeilo continued his scholarly work and mentorship well into his later years. Even after retirement, he remained an active figure in academic conferences and advisory roles, influencing policy discussions on education and scientific development.

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He passed away in 2013, at the age of 83, leaving behind an extraordinary legacy of brilliance, service, and intellectual courage. Following his death, tributes poured in from academic institutions across Nigeria and beyond. He was remembered as a “brilliant mathematician,” “a teacher of teachers,” and “a pioneer who opened the door for African scientific scholarship.”

Legacy and Impact

Professor Ezeilo’s contributions extend beyond mathematics; they symbolise the power of knowledge to transform nations. As Nigeria’s first professor of mathematics and a former vice-chancellor, his career stands as a testament to discipline, perseverance, and leadership in academia.

Through his mentorship and scholarship, he cultivated a new generation of Nigerian scientists who continue to advance mathematics and applied sciences across the continent. His work remains a cornerstone in Nigeria’s academic history and a beacon of what determination and intellect can achieve.

References

Mathematical Association of Nigeria Archives – “Tribute to Professor J. O. C. Ezeilo (1930–2013)”

University of Nigeria, Nsukka Records – Vice-Chancellors of UNN

The Guardian Nigeria (2013) – “Nigeria Mourns Pioneering Mathematician”

Cambridge University Archives – Doctoral Records, Department of Mathematics (1950s)

Bayero University Historical Notes – List of Past Vice-Chancellors

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53,000 dead, 50m sick yearly from unsafe food — FG

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The Federal Government on Monday raised fresh concerns over the growing burden of foodborne diseases in Nigeria, revealing that unsafe food causes more than 53,000 deaths and nearly 50 million illnesses annually across the country.

Minister of State for Health and Social Welfare, Dr Iziaq Salako, disclosed this in Abuja during a ministerial press briefing to commemorate the 2026 World Food Safety Day, themed “From Burden to Solutions – Safe Food Everywhere.”

Salako described food safety as a critical national development and health security issue, warning that the true cost of unsafe food extended beyond sickness and death to the loss of human capital, particularly among children.

According to him, Nigeria loses an estimated 4.26 million years of healthy life annually to foodborne diseases through illness, disability and premature death.

“Nigeria records nearly 50 million foodborne illnesses every year, and unsafe food causes more than 53,000 deaths annually in our country.

“Together, these illnesses and deaths result in a staggering 4.26 million years of healthy life lost to illness, disability or early death,” the minister said.

He noted that children under five account for more than 80 per cent of the country’s foodborne disease burden.

“Most of this burden falls heavily on children under five, who account for more than 80 per cent of all foodborne disease burden in Nigeria.

“The true cost of unsafe food in Nigeria is not only measured in sickness and death, but also in the lost cognitive, physical and developmental potential of our children,” Salako added.

The minister’s remarks came on the heels of newly released estimates by the World Health Organisation showing that unsafe food causes about 866 million illnesses and 1.5 million deaths globally each year, with Africa bearing the highest per-capita burden.

According to Salako, diarrhoeal diseases remained the leading cause of foodborne illnesses in Nigeria, with more than 40 million cases linked to pathogens such as Salmonella, Escherichia coli, Campylobacter, Shigella and rotavirus.

“Over 40 million diarrhoeal illnesses in Nigeria are linked to foodborne pathogens. These infections continue to be a major cause of hospitalisation, malnutrition and mortality among our youngest citizens,” he said.

He also warned of increasing exposure to chemical contaminants.

“Chemical hazards are also emerging as a serious concern, with lead exposure responsible for tens of thousands of healthy lives lost through contaminated grains, spices and water sources. These numbers underscore the urgency of strengthening food safety systems across the entire value chain,” he stated.

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Despite the challenges, Salako said Nigeria had made notable progress in building a stronger food safety system.

He said the country’s 2023 Joint External Evaluation recorded measurable improvements across all food safety indicators, while Nigeria’s 2025 State Party Annual Report score surpassed the World Health Organisation target for low- and middle-income countries.

“Nigeria is now one of the leading countries in the region in establishing functional systems for detecting, reporting and responding to foodborne disease events,” he said.

The minister, however, stressed that the latest figures should serve as a wake-up call.

“The new WHO estimates are a call to action. We must intensify surveillance for heavy metals and chemical contaminants. We must improve food safety practices in traditional and informal markets where most Nigerians buy their food.

“We must strengthen hygiene, water and sanitation infrastructure and ensure food business operators comply with national standards,” he said.

Salako also linked food safety to the country’s growing burden of non-communicable diseases, including hypertension, stroke, diabetes and obesity.

“Food safety is not only about preventing infections; it is also about ensuring that the food we eat does not contribute to the growing burden of non-communicable diseases,” he said.

He disclosed that Nigeria had developed National Guidelines for Sodium Reduction, while the National Agency for Food and Drug Administration and Control had finalised draft sodium reduction regulations aimed at reducing salt levels in processed foods.

According to him, the country was also implementing industrial trans-fat elimination regulations and strengthening efforts to improve the sugar-sweetened beverage tax and front-of-pack food labelling systems to encourage healthier food choices.

Salako urged food manufacturers, regulators, researchers and consumers to support efforts aimed at ensuring safer and healthier food for Nigerians.

“Food safety is everyone’s business. It saves lives, strengthens our economy and protects our children. These numbers show that food safety is not optional; it is a national health security priority,” he said.

The Director-General of NAFDAC, Prof Mojisola Adeyeye, said strengthening food safety systems remained critical to reducing the country’s burden of foodborne diseases.

Represented at the event by the Director of Food Safety and Applied Nutrition Directorate, Eva Edwards, Adeyeye described food safety as a public health, socioeconomic and development imperative.

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“The theme for the 2026 World Food Safety Day, ‘From Burden to Solutions – Safe Food Everywhere,’ reminds us that food safety is not merely a technical issue; it is a public health, socioeconomic and development imperative. Behind every statistic on foodborne disease is a child, a family, a community or a business affected by preventable illness and loss,” she said.

The NAFDAC boss said the agency remained committed to reducing foodborne diseases through stronger regulation, surveillance and stakeholder engagement.

“At NAFDAC, we remain firmly committed to contributing to reducing the burden of foodborne disease through science-based regulation, effective surveillance, strengthened food control systems and robust stakeholder engagement,” she said.

She added, “Our efforts continue to focus on ensuring that foods manufactured, imported, exported, distributed, advertised, sold and consumed in Nigeria meet acceptable standards of safety and quality.”

Adeyeye stressed that safe food was central to achieving the country’s nutrition and health goals.

“We recognise World Food Safety Day as an added opportunity to situate food safety as a significant issue of public health concern, especially in the light of safe, wholesome food being important for boosting immunity and improving the body’s natural defence in fighting diseases.

“Where food is unsafe, our nutritional goals cannot be achieved,” she said.

The NAFDAC Director-General further noted that addressing food safety challenges would require stronger collaboration among government agencies, industry players, researchers, development partners and consumers.

“The challenge before us is significant, but so too is our collective capacity to address it through evidence-based policies, effective regulation, responsible industry practices and sustained public awareness,” she said.

Adeyeye reaffirmed the agency’s commitment to strengthening food safety systems nationwide.

“At NAFDAC, we remain resolute in our unwavering commitment to playing our role in strengthening the national food safety system, upholding standards and regulations, and promoting best practices within industry and across society to assure a safe food supply,” Adeyeye said.

Meanwhile, the Corporate Accountability and Public Participation Africa called for stronger regulatory measures to address the growing burden of diet-related diseases in Nigeria.

In a statement issued on Monday to commemorate the 2026 World Food Safety Day, CAPPA warned that millions of Nigerians were increasingly exposed to health risks associated with excessive consumption of sugar, salt, unhealthy fats and ultra-processed foods.

The organisation argued that food safety should extend beyond concerns about contamination and foodborne diseases to include protection against products that contribute to non-communicable diseases.

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CAPPA Executive Director, Oluwafemi Akinbode, said, “Food safety is not only about preventing food poisoning. It is also about ensuring that the foods and drinks available to Nigerians do not slowly undermine their health and well-being.”

He warned that weak regulatory safeguards and aggressive marketing of unhealthy products were contributing to rising cases of hypertension, diabetes, obesity, stroke, kidney disease and certain cancers.

According to him, diet-related diseases were placing a growing burden on families, the healthcare system and the economy.

“Public health policies must be guided by science and the public interest, not by industries whose profitability depends on unhealthy consumption patterns,” Akinbode stated.

CAPPA welcomed the recent passage by the Senate of a bill seeking to strengthen Nigeria’s Sugar-Sweetened Beverage Tax regime, describing it as a critical intervention in efforts to reduce excessive sugar consumption and curb non-communicable diseases.

The organisation also urged the Federal Government to adopt national sodium reduction targets, implement Front-of-Pack Warning Labelling on packaged foods and beverages, and strengthen restrictions on the marketing of unhealthy foods to children.

“Truly, safe food should not only be free from contamination but should also protect consumers from preventable diseases and support long-term wellbeing,” he added.

World Food Safety Day is observed annually to raise awareness and inspire action to prevent, detect and manage food-related risks. The 2026 edition marks the eighth global observance of the event.

While food safety discussions have traditionally focused on microbial contamination and foodborne disease outbreaks, public health experts are increasingly drawing attention to the role of unhealthy diets in driving non-communicable diseases such as hypertension, diabetes, obesity, cardiovascular diseases and certain cancers.

In Nigeria, authorities have intensified efforts to strengthen food safety governance through the National Food Safety Management Committee, the National Integrated Guidelines for Foodborne Disease Surveillance and Response, sodium reduction initiatives, industrial trans-fat elimination regulations and improved food surveillance systems.

However, health advocates continue to push for stronger nutrition-focused policies, including enhanced sugar-sweetened beverage taxes, front-of-pack warning labels and tighter restrictions on the marketing of unhealthy foods to children.

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PHOTOS: William Kumuyi Celebrates His 85th Birthday Today

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Birthday: William Kumuyi Turns 85 Today!

Happy 85th birthday to Deeper Life Pastor, William Kumuyi.

We thank God for your life of unwavering dedication to Christ, sound biblical teaching, and faithful leadership.

Your impact on countless lives across generations remains a testimony to God’s grace and faithfulness.

May the Lord continue to strengthen you, grant you good health, renewed vigor, and greater fruitfulness in His service.

Wishing you a joyful and blessed birthday celebration.

Happy Birthday, Sir!

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How rescued orphaned elephant highlights Nigeria’s conservation fight

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As dawn breaks over Okomu National Park in Ovia South-West Local Government Area of Edo State, an exhausted wildlife caretaker prepares milk formula for Agbaibor, a month-old orphaned forest elephant rescued after wandering out of the rainforest alone.

“The baby elephant has to take two litres of this per meal,” said Joshua Aribasoye, one of those responsible for feeding and monitoring the calf around the clock in a makeshift pen at a ranger outpost inside the park in southern Edo.

Forest elephants, smaller and more elusive than their savannah cousins, are endangered and their population has collapsed in recent decades largely because of habitat loss and poaching.

Agbaibor—named after the ranger who helped rescue him—was found near a palm oil plantation bordering the protected forest late last year after being separated from the herd.

Rangers and conservationists tried to reunite the calf with its family by taking it back into the forest, but it soon wandered out again.

Fearing it would die alone or be attacked, park authorities and conservation group African Nature Investors (ANI) launched an emergency effort to nurse the animal, flying in elephant rehabilitation specialists from Zambia and assigning caretakers to raise him.

It has become a costly operation. ANI spends between four and five million naira (about 3,600) a month on his care, including 77 kilograms of milk powder, alongside oats and nutritional supplements.

Conservationists expect the rehabilitation process to take another three to five years. They are building a new enclosure deeper inside the park, within elephant habitat, where the calf will gradually be exposed to the sounds and movements of wild herds before an eventual reintroduction.

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“The calf will be cared for there… until it is integrated into a group,” said ANI project manager Peter Abanyam.

200 remain

The International Union for Conservation of Nature (IUCN) lists forest elephants as critically endangered, with conservationists estimating only around 200 remain in the country.

Roughly 40 are believed to live in and around Okomu—one of Nigeria’s last remaining rainforest ecosystems, covering about 24,000 hectares.

“Okomu is critical for conservation in Nigeria,” said Abanyam.

“In a small ecosystem like this, housing 40 elephants is a huge number, and it needs to be protected at all costs.”

But pressure on the forest is intensifying.

Logging, poaching, farming and expanding human settlements have fragmented large parts of the reserve, shrinking elephant corridors and increasing contact between wildlife and nearby communities.

Godstime Christopher, 26, once helped transport illegally logged timber out of the forest before being recruited as a ranger by ANI.

Today, he works with the organisation’s biomonitoring team, using camera traps to track elephant movements and identify poachers.

“When I became a ranger, I thought I would use that to exploit logging,” he admitted. “But the training changed our mentality.”

‘Preserve what we have’

Conservation groups say engaging local communities is essential if endangered wildlife is to survive in one of Africa’s fastest-growing countries, where economic hardship often drives people deeper into protected forests in search of land, timber or bushmeat.

While the ranger programme appears to have helped drive down poaching in the area, hunting for other species still disturbs the elephants and degrades their habitat, Christopher warned.

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Back at the rehabilitation centre, Agbaibor splashes in the mud, nudges his handler for attention and drinks from oversized bottles of milk formula.

For Aribasoye, the demanding work has become deeply personal.

“We are supposed to be like a mother to him,” he said.

“Seeing him eating and playing is part of the joy… because I know we are working to preserve what we have left.”

AFP

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