Evan Davis asks his panel of top business guests whether it's luck that got them to the top, talent or sheer hard graft. And he also talks about design - what matters most, form or function?

Evan is joined by Geoff Quinn, chief executive of TM Lewin the shirt, tie and suit-makers, the interior designer Kelly Hoppen who has created homes for celebrity clients such as the Beckhams and Elton John and James Hussey, chief executive of De la Rue the company that makes bank notes and passports. Show less