Mark Zuckerberg’s wife Priscilla Chan’s grandfather died of cancer when she was in sixth grade; she found a cancer textbook and taught herself why he died | World News
Priscilla Chan was in sixth grade when the death of her grandfather from cancer changed the direction of her life. One morning, he dropped her off at her sixth-grade classroom, but by the time she returned home, he had died. Chan was left trying to understand how someone who had taken her to school that…