Gebhard AdersGebhard Aders is the author of numerous books on the Luftwaffe including 'Stuka Dive Bombers--Pursuit Bombers--Combat Pilots--A Pictorial Chronical of German Close-Combat Aircraft to 1945, published 1989 and 'Stukas, Jagdbomber, Schlachtflieger: Bildhronik der deutschen Nahkampfflugzeuge bis 1945' published 1986. He is an expert on German air defence and until retiring in 2001 he worked in the Cologne Archives. Read More Read Less