Ever wonder who Joan Kroc was when you hear her named as an NPR underwriter?  Interesting philanthropy story: https://www.nytimes.com/2017/01/20/your-money/ray-joan-kroc-mcdonalds-fortune-philanthropy.html?_r=1&WT.mc_id=SmartBriefs-Newsletter&WT.mc_ev=click&ad-keywords=smartbriefsnl