From world leaders to business moguls to entertainers, this long running BBC radio programme offers an insight into influential figures making the news headlines. The podcasts, which are available indefinitely, go back to 2010. Some of the personalities featured in early editions include pop icon Lady Gaga, fashion designer John Galliano and artist Ai Weiwei. Recent editions include, founder of Extinction Rebellion Dr Gail Bradbrook, biochemist Jennifer Doudna, and Sonita Alleyne, who is the first black woman to lead an Oxbridge college.