Jim was born April 11, 1926, in Los Angeles to Ama McCulloch and James Buckingham. He grew up in Evanston, Illinois, with his mother and his adoptive father, Edward Horne. He graduated from Evanston High School in 1944 and was immediately inducted into the U. S. Army. He served as an artillery lineman and forward observer in the European Theater, including the Battle of the Bulge. Upon his discharge from the armed services, he returned to Evanston and graduated from Northwestern University Medical School in 1952. He completed his internship at Denver General and Presbyterian Hospitals. He then served as the general physician for a small community in western Colorado from 1954 until 1960, when he moved to Topeka to complete a psychiatric residency at the Menninger School of Psychiatry, under the leadership of Dr. Karl Menninger. His professional career as a psychiatrist included serving as Director, Biddle Section, Topeka State Hospital; President, Medical Staff, Topeka State Hospital; Medical Director, Shawnee Community Mental Health Center; Consultant, Unified Court Services of Shawnee County; and completed his career as a Staff Psychiatrist for Colmery-O'Neil VA Medical Center's Viet Nam Stress Treatment Unit which he helped to create. In 1994, Jim was honored by the Shawnee County Allied Tribes at the Intertribal Pow Wow for his service to all veterans and specifically Native American Veterans, and was inducted in to the Gourd Society. Jim was also a long-time member of Topeka Festival Singers, a Shawnee County Extension Services Master Gardener, and enjoyed photography, fishing, and target shooting. Jim married the woman who became his life-long support and help-mate, Verne Bennett Horne, known as" B", in 1952. B served as Dr. Menninger's assistant and archivist for the Menninger Foundation for many years. Jim served in the Battle of the Bulge. He initially served as an infantryman on the front lines and later as a forward observer, filling in for a soldier who had been killed. He commented frequently about how cold it was and that his sisters would send him warm socks and cookies.