Eunice Kennedy Shriver, sister of the late U.S. President John F. Kennedy, smiles during a Special Olympics global ceremony in the Rose Garden at the White House in 2007. Shriver, who founded the Special Olympics and was a member of one of the most prominent American Catholic political families of the 20th century, died Aug. 11 at age 88 in a hospital in Barnstable, Mass., on Cape Cod.