With regard to the picture with Hitler in it, the man on the far right standing and pointing at the map looks like Heinz Guderian.
Or Von Rundstedt.
You are correct. Generaloberst Heinz Wilhelm Guderian (June 17, 1888 - May 14, 1954) He was about 56 years old at that time. The photo was in Life magazine, He also made the cover of Time magazine Aug. 7 1944. Guderian died on 14 May 1954 at the age of 65, in Schwangau (Southern Bavaria.)