Steve; Agreeing with Andreas Brekken, I too did not find that name. I wonder if this is the person?
6250 Ju 88 A-5 [xx+xx] Luftwaffe
- Ju 88 A-5 9K+IN II/KG 51 (Luftflotte 4
East) OPS (F) mis (100%) unk location 11.07.1941 (F Hptm. Günter von Wenczewsky missing, B Fw. Karl Aull mis/rep allright in p/16.07.42, BF Fw. Heinz Mühlenberg mis/rep killed <abowe>, BS Obgefr. Karl Hühner missing)
cheers
ed