#5, Hi Franck here is the transcript of the backsite of the photo, especially for you as a compensation for your
continuous contribution to this forum. One thing before I start: the writer of the pilots list did not see very much of the inside of a classroom, may be he was the greenkeeper of 6.Staffel

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Flugzeugfuehrer der 6. Staffel im Maerz 1940 in Speyer am Rhein (pilots of 6.Staffel in march 40 in Speyer/Rhein) from left to right:
Oblt (1) Lederer, Lt (2) Hahn, Lt (3) Gutowski, Lt (4) Koepcke, Ofw (5) Meirer, Fw (7) Denk, Gustav, Fw (6) Weiss, Georg, 4.Staffel, Fw (8) Friedemann, Fw (9) Stephan, Willi, Uffz (10) Hoffmann, Heinrich, Uffz (11) Junge, Otto, Uffz (12) Bahn-Lahn?? I have added first names to the pilots with common german family names. The names have been counterchecked by me against the cracker list and they are authentic except Uffz Bahn or Lahn. Hope it helps,
cheers
Horst