Hermann Dorner (23 May 1882 - 6 February 1963) was a German pioneer of aviation During the First World War he designed two-seat combat aircraft for Hannoversche Waggonfabrik, most notably the Hannover CL.II through Hannover CL.IV designs.
References
"Im Schatten von Hans Grade: Hermann Dorner, der Einzelkämpfer," In Fliegermagazin, 2003, 5/96