The author, Frank de Ruyter, is a married man who enjoys sports, the outdoors and day-to-day life with his wife and three children. De Ruyter holds honors and masters degrees in astronomy and astrophysics, a divinity degree, and diplomas in teaching. War in Heaven was first written over thirty years ago, but de Ruyter brought it to publication after years of concern about what he continued to see published on the subject of prophecy.