Heinz Guderian (June 17, 1888 - May 14, 1954) was Hitler's well known "Panzer General" and one of the founders of the so-called "Blitzkrieg". He designed the technical principles of the modern tank war in Germany and built the tank weapon between the First and the Second World Wars. His ideas were greatly influenced by J.F.C. Fuller.
He wrote the book Achtung Panzer!, about tank warfare, shortly before World War II.
... and Catherine of Aragon, who was his aunt.
As Holy Roman Emperor, he called Martin Luther to the Diet of Worms in 1521, promising him safe conduct if he would appear. ...