Joining Adrian Chiles on this week's programme is Mark Foster, for a good while the fastest swimmer on the planet.
We have author and psychologist Katriona O’Sullivan, a woman raised in poverty in Coventry, who went on to get a PhD from Trinity College, Dublin.
And the remarkably gifted Ralf Little, who we know as an actor but might equally have been a doctor or a footballer.
Plus the Inheritance Tracks of the singer-songwriter Clare Grogan.
Producer: Gareth Nelson-Davies Assistant Producers: Catherine Powell and Imy Harper Researcher: Jesse Edwards Editor: Andrea Kennedy