When was the German fight pilot to which the The Blond Knight of Germany book was dedicated born? 
The Blond Knight of Germany: The Blond Knight of Germany is a book by the American authors Trevor J. Constable and Raymond F. Toliver dedicated to the life and career of the German fighter pilot of World War II, Erich Hartmann. Erich Hartmann: Erich Alfred Hartmann (19 April 1922 – 20 September 1993), nicknamed "Bubi" ("The Kid") by his German comrades and "The Black Devil" by his Soviet adversaries, was a German fighter pilot during World War II and the most successful fighter ace in the history of aerial warfare.
19 April 1922