When you have billions it's impossible to spend it all on yourself and your family. So what else do you do? Join the space race like Elon Musk and Jeff Bezos or start a foundation like Bill Gates and follow in the footsteps of the massively wealthy industrialists of the Gilded Age, like Andrew Carnegie or John D Rockefeller?

GUESTS

Dr. Katharina Rietzler, Lecturer, American History, University of Sussex

Paul Vallely, Author, 'Philanthropy: From Aristotle to Zuckerberg'

Manfred Kets de Vries, Distinguished Clinical Professor of Leadership Development and Organizational Change, INSEAD

and

Abigail Disney, Co-founder Fork Films and host of All Ears podcast

Producer: Julie Ball

Editor: Hugh Levinson