File:Friedrich-Karl Muller.jpg

Source: Friedrich-Karl "Tutti" Müller @ Aces of the Luftwaffe

Friedrich-Karl "Tutti" Müller, photo taken during World War 2.

Fair Use Rationale: The image is taken during World War 2, Copyright is difficult to establish. Since the image is a depiction of a historical figure, and an unrestricted image is difficult to obtain the image is probably fair use in the article Friedrich-Karl "Tutti" Müller