he was part of a cohort of children, about 12 children, in boston, who sidney farber treated with the first ever invented chemotherapies and he had a very brief remission from his leukemia. he had leukemia. and he relapsed and died soon after. when i was writing this book, i think the biggest challenge in this book is how do you take a topic like cancer and bring it down to a human, readable level. we all need to read about it but how do you convert that and the answer, as i wrote the book, which became very obvious, was that you have to tell human stories. so the story, you know, chm chemotherapy is something we encounter in the abstract. how do you tell a story of that history so i had to find the child. i ultimately found him through a complicated series of accidents, found him, actually, not far from my parents' house in india, someone kept a photograph and i found the photograph and discovered his name and dedicated the book to him because he's a reminder of the human faith -- face behind the history. tavis: to your point about the human face behind the history. why does the hist