Photographed at Auto & Technik Museum, Sinsheim, Germany, July 19, 2010, by Johan Visschedijk
04/30/2012. Remarks by
Johan Visschedijk: "Dr. Hugo Hübner (February 2, 1882 – November 18, 1938), designed the Mucke (Gnat) single-seat pusher aircraft that was flown in November 1935."