Dr. Thomas Harrison Walker of Lakeland, TN died peacefully on Thursday, January 12, 2017 at the age of 69. He was preceded in death by his parents J.L Walker, MD and Lucille Walker. After his military service in the Air Force he worked in his family's clinics in the Appalachian Mountains to take care of the less fortunate. He was a graduate of the University of Tennessee Pharmacy School in Memphis. He retired from Regional One of Memphis Hospital. He is survived by his wife, Sharon Walker, a daughter Whitney Walker, of Memphis, Stepdaughters Angela Pilant of Lakeland and Aundrea Pilant-Whalen of Dallas, TX. Brothers Ken Walker (Randa) of Newton, IA and Jessie Walker (Susan) of Nashville, TN. Visitation and the funeral service will be held on Monday, January 16, 2017 at Memphis Funeral Home and Memorial Gardens, 3700 N. Germantown Rd, Bartlett, TN. Visitation will be held from 12:30 to 2:00 PM with services immediately following.