Ervin N. Hershberger was an energetic and diligent student of Scripture. In his lifetime, he wrote many articles for publication. He was the founding editor of Calvary Messenger and served in that capacity for many years. He also taught at Calvary Bible School in Arkansas in many of his active years. His teaching specialty was the Old Testament and the study of the Tabernacle. He was active as deacon in his church until his age and health caused him to lay the work down. Hershberger had a love for people, especially young people. He remained active in faithful Christian service until his death.