Number 2 might be him:
VOWINKEL
, Dr. Otto. (n.d.) in III./KG 253. 15.03.37 Hptm., appt Staka 10./KG 153 (to 31.10.38).
01.08.37 promo to Maj. 11.09.42 Obstlt., appt Kdr. FFS A/B 114 (to 00.42). 12.42 Kdr. of
Verbindungsfuhrers/Luftflottenkdo. 4 (to 31.12.42 †). 01.12.42 posthumous promo to Oberst.
Junker