Ferdinand Schaal
Ferdinand Friedrich Schaal was a German career military officer and panzer commander in World War II. He commanded the 10th Panzer Division in the 1939 Invasion of Poland and directed the successful Siege of Calais in 1940. Later, he became involved in the unsuccessful Julyplot against Adolf Hitler and the implementation of Operation Walkre that was to follow. For this, he was imprisoned until the end of the war.
Ferdinand was born onFebruary 1889 in Brunswick, Lower Saxony. In 1908, at the age of 19, Schaal joined the military as an officer in a regiment of dragoons. After World War I, he became a captain of cavalry in the Reichswehr.
Source: Wikipedia