He travelled with Hitler in the years leading up to and throughout World War II and took around 2,000 colour photographs of the German dictator and various events connected with criminal policy of Nazi Germany during the Spanish Civil War[1] and the Second World War for example the invasion of Poland,[2] Polish soldiers as prisoners of war resting after the lost battle against Germans, destruction of Warsaw and persecution of Jews by the German Nazis in Kutno during the Holocaust and infamous Warsaw Ghetto where people were just prisoners in the heart of the modern city during the Holocaust.
Jaeger was one of the few photographers who were using color photography techniques at the time, especially Agfacolor invented in 1936.
Jaeger began photographing Hitler in 1936 and was doing so until the Second World War ended in 1945.
[5] As the war was drawing to a close in 1945, Jaeger hid the photographs in a leather suitcase.
[6] He then encountered American soldiers prompting fears of potential arrest and prosecution for carrying around so many images of such a wanted man.