Nancy Meyer Cheston, age 91, died Wednesday February 29, 2012 at Waverly Heights in Gladwyne, PA. Born in Hamilton, MA, she attended St. Timothy’s School, The School of the Museum of Fine Arts Boston, worked for the OSS during the war and moved to Philadelphia in 1947 when she married Eugene Calvert Cheston.  She and her husband were longtime residents of Chestnut Hill.  Both sons attended Chestnut Hill Academy and all three daughters graduated from Springside. She is survived by son Radcliffe, daughters Martha, Julia and Frances; son George died 2006, husband Eugene Calvert died 1999.  For memorial service contact 610-664-0670. In lieu of flowers, contributions may be made to Planned Parenthood, or The Morris Arboretum.