Memorials may be made to FRAXA - The Fragile X Research Foundation, 45 Pleasant Street, Newburyport, MA 01950 (www.fraxa.org). LANG, Mary Lou, O'Fallon, Missouri, died on Tuesday, March 25, 2008 at the age of 73. Loving mother of Sue (Scott) Sharp and Vicki Cross; cherished grandmother of Christopher Sharp; preceded in death by her parents, Alfred and Esther Walters. Mary was a Legal Secretary with Niedner Law Firm, St. Charles, Missouri for 25 years.