J. Ellsworth Kalas (1923—2015) was the author of over 35 books, including the popular Back Side series, A Faith of Her Own: Women of the Old Testament, Strong Was Her Faith: Women of the New Testament, I Bought a House on Gratitude Street, and the Christian Believer study, and was a presenter on DISCIPLE videos. He was part of the faculty of Asbury Theological Seminary since 1993, formerly serving as president and then as senior professor of homiletics. He was a United Methodist pastor for 38 years and also served five years in evangelism with the World Methodist Council.