Shirley Dietz on March 27, 2016 of Jenkintown,PA. Survived by her devoted sister, Geraldine (Richard) and by her cherished nieces and nephews, Harry, Jennifer, Fred, Michael and Celia. Attended The Barnes Foundation for three years, studying under Violette de Mazia. She was a volunteer at the Philadelphia Art Museum for over 30 years, first as a docent, then as Head...