Arno Clemens Gaebelein was a Methodist minister in the United States. He was a prominent teacher and conference speaker. He was also the father of educator and philosopher of Christian education Frank E. Gaebelein.

Frank Ely Gaebelein was an American evangelical educator, author, and editor who was the founding headmaster of The Stony Brook School in Long Island, New York. He is the author of more than twenty books, and also served as editor for Our Hope, Christianity Today, and Eternity magazines, style editor for the translation committee of the New International Version of the Bible, and general editor for the 12-volume Expositor's Bible Commentary.