Francis A. Schaeffer (1912–1984) authored more than twenty books, which have been translated into several languages and have sold millions globally. He and his wife, Edith, founded the L’Abri Fellowship international study and discipleship centers. Recognized internationally for his work in Christianity and culture, Schaeffer passed away in 1984 but his influence and legacy continue worldwide.

C. Everett Koop (1916–2013) served two terms as the Surgeon General of the United States. Prior to that, he served as surgeon-in-chief of the Children’s Hospital in Philadelphia where the entire surgical center is named in his honor. A pacesetter in the field of pediatric surgery, Dr. Koop developed many new and highly successful procedures in surgery of the newborn. He authored many well-known books in the field of medical ethics and was founder and editor-in-chief of the Journal of Pediatric Surgery.