Two commercial figures in history also took on the roles of unofficial diplomats and international influencers - Henry Ford, a car maker like Elon Musk, and a man who used his pioneering industrial might for political ends; and Robert Clive, the C18th imperialist and privateer whose actions under the guise of the East India Company brought him influence locally and internationally on the back of the new opportunities of empire.

Historians:

Adam Smith, Professor of US Politics and Political History at University of Oxford

Chandrika Kaul, Professor of Modern History at University of St Andrews

Reader:

John Lightbody

Producer:

Mohini Patel