Who First Tangled With the Me163?

[Illustrator Z]

Anybody know who was the first pilot to encounter the Me163?

 

[DerAdlerIstGelandet]

I am not sure of any pilots names but it was on 28 July 1944 near Merseburg. Me-163's of 1./JG 400 under the command of Hauptmann Robert Olejnik attacked attacked B-17's protected by P-51D's of 359th FG USAAF.