László Polgár was born just after World War II in Hungary. His field of study was the nature of human intelligence. After studying the lives of over 400 great intellectuals from throughout human history, he came to a startling conclusion: geniuses weren’t born, they were made.

So he set about conducting an experiment on his own children. The results were astonishing.

Learn more about Judit, Susan, and Sophia, the incredible Polgar sisters, on this episode of Everything Everywhere Daily.
Learn more about your ad choices. Visit megaphone.fm/adchoices