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
How Louis Bachelier Scooped Economists by Half a Century
A forgotten French mathematician is the focus of our programme. He anticipated both Einstein's theories and the application of maths to the stock market. Born in the 1870s, his work was unusual at the time. With the help of Alison Etheridge, Professor of Mathematics at the University of Oxford, we explain how his ideas were rediscovered decades after his death. (Photo: Pocket watch. Credit: Kanyapak Lim/Shutterstock)