Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.
http://www.bbc.co.uk/programmes/p04b1g3c
Banking
Warrior monks, crusaders and the mysterious origins of modern banking. You might think banks are so central to every economy that they have always existed. And they have, sort of. But the true story of the origins of modern banking is – as Tim Harford explains – as surprising and mysterious as the plot of Dan Brown’s Da Vinci Code. (Photo: Temple Church in London. Credit: Kiev Victor/Shutterstock)