“Joan Kroc, I found myself learning more than I ever imagined about this incredible, inventive, and underrecognized philanthropist, one of the greatest of a generation. Mrs. Kroc was seen as the savior of public radio for her landmark posthumous gift to NPR. Selling a book on her incredible life proved impossible until we learned that a Hollywood depiction of her husband was under way; after recasting the book with his name in the title, we found a publisher.”