Original: He is considered to have written the two most comprehensive books on the subject , The Trial of the Templars (/O1978/O) and The New Knighthood : A History of the Order of the Temple (/O1994/O) .
Simplified: Malcolm Charles Barber ( b. March 4 , 1943 ) is a scholar of medieval history , described as the worlds leading expert on the Knights Templar .