H. Louis Nichols was born on 7 November 1916 in Collin County, Texas, USA. He was married to Elaine Mary Guentherman. He died on 25 April 2010 in Dallas, Texas, USA.
Southern Methodist University School of Law, Dallas, Texas, Bachelor of Law, 1940. Admitted to the Texas Bar in 1939. Dallas City Attorney's Office, Assistant City Attorney, 1940, 1946-1947. U.S. Army, Lieutenant Colonel, 1941-1946.