A. T. Robertson (1863-1934) was the foremost New Testament Greek scholar of his day. He authored forty-five books, including A Harmony of the Gospels and An Introduction to Textual Criticism. Robertson is highly regarded for his unique combination of academic excellence and deep Christian devotion.
Wesley Perschbacher (D.Min., M.A., Trinity Evangelical Divinity School) is author of Refresh Your Greek-Practical Helps for Reading the New Testament; New Testament Greek Syntax: An Illustrated Manual; and The New Analytical Greek Lexicon. He served as pastor and taught at Moody Bible Institute's Center for External Studies before retiring.