When researchers attempt to chronicle the movement of ideas about the Earth's surface, there are a few ways to go about it. One is to look at the the mass movements of large groups of people. Another is to examine the lives of influential individuals.
A new study, published July 31 in Science, combines the two, looking at geographic movements of 150,000 “notable individuals” throughout their lifetime to create a map of “aggregate intellectual mobility” over the past 2,000 years – where influential people moved to.
