Peacefully passed away on February 23, 2017 in her home in Potomac, MD. Born December 4, 1929 in Pleasantville, PA. Founder and Director of The Winchester School, Silver Spring, MD, established in 1970. Mary was the beloved wife of Dr. Johng Sik Rhim; loving mother of Jonathan Arch Rhim (Thanh), Christopher Huc Rhim (Lauren), Peter Kennedy Rhim (Jill), Andrew Lytle Rhim (Darshini), Michael Johng Rhim (Laura), and Kathleen Rhim Goodner (Ryan); devoted grandmother of Natalie and Aaron, Brendan and Abigail, Annie and Sarah and Rachel, Anika and Aidan, Nicolas and Claudia, and Emma and Cash. Relatives and friends are invited to call at Joseph Gawler’s Sons, LLC, 5130 Wisconsin Ave., NW, Washington, DC on Monday, February 27, 2017 from 9:00 am to 12:00 pm, with funeral service to follow at 12:00 PM. In lieu of flowers, memorial contributions may be made in her name to the Foundation for the National Institutes of Health (F-NIH), www.FNIH.org.