Patience Ibrahim lives with her daughter Gift in Maiduguri, in northern Nigeria.
Sheena Iyengar is a profess at Columbia University, New York, whose work has been drawn on by, among others, Malcolm Gladwell.
Eddie Izzard was born in Yemen in 1962, and grew up in Northern Ireland and Wales. He began his comedy career in the late 1980s, and has been recognised as one of the greatest comedians of all time. He is also a very successful actor, appearing in films and TV shows both here and in the US.