Dorothea Martin Walker, 92, of Signal Mountain, Tenn., died peacefully surrounded by her family on Saturday, July 13, 2013.Born in Wytheville, Va., and moved to Chattanooga at a young age, Dorothea graduated from the University of Chattanooga and was a Member of Phi Mu Sorority. Dorothea taught 1st grade at falling Water School for 13 years.Beloved wife and most wonderful mother. She was a friend to ever one she met, and will be missed by all. Member of the St. Timothys Episcopal Church.Dorothea was preceded in death by her husband, Beverly Barrett Walker Jr.; parents, Mr. and Mrs. Edward F. Martin.Dorothea is survived by her three children, Tim Walker and Seth Walker, of Signal Mountain and, Melissa walker, of Chattanooga. Memorial service will be at 11 a.m. Wednesday, July 17, at St. Timothys Episcopal Church with visitation preceding in the church parish hall at 10 a.m. Graveside service will be 12:30 p.m. Wednesday, July 17, at the Chattanooga Memorial Park.In lieu of flowers, donations may be made to St. Timothys Episcopal Church, or to the Food Bank or Chattanooga Community Kitchen.Please share your thoughts and Memories at www.chattanooganorthchapel.com.Arrangements are by Chattanooga Funeral Home Crematory and Florist, North Chapel, 5401 Highway 153, Hixson, Tennessee 37343.