Z. T. Sweeney (1849-1926) was a well-respected preacher and scholar. He had his longest period of service at his congregation in Columbus, Indiana from 1876-1889. Aside from his spiritual endeavors, Sweeney was a conservationist who, from 1897-1911, spoke on the protection of game and fish in every part of the state. His other titles include: The Spirit and the Word, New Testament Christianity, Vol. 2, and New Testament Christianity, Vol. 3.