Yelena I. Etingof of Boston. Entered into rest on August 17, 2012 at the age of 81. Loving daughter of Israel Hait and Elizaveta Nirinskaya. Yelena was a theoretical physicist in Russia for many years. She is survived by her husband, Ilya M. Itingof and her son Pavel Etingof. Services will be held at Stanetsky Memorial Chapel, 1668 Beacon Street, Brookline, MA on Monday, Aug. 20, 2012 at 12:00 Noon. Burial to follow at Shara Tfilo Cemetery, 776 Baker Street, West Roxbury, MA. Relatives and friends are invited back to Pavel Etingof's residence following burial.