Theodore Hallum is a native Oklahoman who left the state for a Ph.D. program at St. Louis University, then worked in Illinois, his native state, and retired in California before moving back to his hometown just outside Tulsa. He completed his parents' individual family trees immediately after retirement and added two doctoral programs and one MDIV program. He began writing thereafter and has published 6 books, with two to go, and has numerous unpublished books at various stages of completion. The two books drawing attention are Choice: The Secular Passion Against Faith (currently in publication) and Twilight: Against a Moral Society and Sorrows.

He participated in the I/D/E/A Fellows Program for four years and has traveled extensively throughout Europe, Canada, and Mexico. He is a devoted Christian, fully in keeping with the Word of God and committed to our savior, Jesus Christ.