Ngozi Okonjo Iweala and her son Uzodinma

Dr Ngozi Okonjo-Iweala, 52, was the Nigerian minister of finance, then foreign minister — before she suddenly resigned as we went to press. She has a daughter, Onnyi, 25, and three sons: Uzodinma (Uzo), 23, Okechukwu, 21, and Uchechi, 18. She lives in Abuja, Nigeria’s capital. Uzo studied English at Harvard University, and his acclaimed novel, Beasts of No Nation, is out in paperback. He lives in Washington, DC, and is now planning to study medicine

My parents’ upbringing was so very different from ours. My own childhood was very secure and privileged — just about as perfect and precious as it’s possible for a childhood to be. We grew up in Washington, DC. My mum was vice-president of the World Bank then, and my dad is a surgeon. We went to quite an establishment school, and a lot of my friends’ parents were ambassadors or in government. Our house was a very happy place. My parents were strict, and at the time I didn’t agree with everything they did.

My mum is a very powerful woman. She knows how she wants things done, and if you don’t do it her way you’re in trouble. She can be very demanding in