Biography:From Wikipedia, the free encyclopedia. Jean Kerr (July 10, 1922  – January 5, 2003) was an American author and playwright born in Scranton, Pennsylvania and best known for her humorous bestseller, Please Don't Eat the Daisies, and the plays King of Hearts and Mary, Mary. She was married to drama critic Walter Kerr and was the mother of six children. Description above from the Wikipedia article Jean Kerr, licensed under CC-BY-SA, full list of contributors on Wikipedia.