This is Walther-Peer Fellgiebel(1918-2001) He was an RKT and 2./le. Army Artillery, Detachment 935 (motorized) He was also an expert on RKT, and he wrote books on the subject. Look to your left to see another foto. The top one has his personal sticker with name, address & phone # on it. Take your pick. CLICK THE IMAGES IF YOU WANT TO SEE THEM BETTER.