Over a hundred years ago, the explorer Ernest Shackleton safely led his crew through a series of disasters in one of the world's harshest environments. His achievement is often held up as a gold standard of leadership. But was he able to lead because of personality traits he was born with - or because of skills he acquired over time? In this opening episode, Professor Michael Wade takes a closer look at the nature vs nurture debate in leadership - and makes some surprising discoveries.
