Born in
Elberfeld, Wissemann trained as a
Leutnant with
Jastaschule 1 (Fighter school 1) before being posted to
Jasta 3 on 28 May 1917. He claimed 5 victories during 1917, one of which was reputed to be top French ace Capitaine
Georges Guynemer on 11 September. He was killed in action over
Westrozebeke, allegedly versus
Rene Fonck but documentary evidence suggests it was more probably either Captain
Reginald Hoidge or Captain
Geoffrey Hilton Bowman of
No. 56 Squadron,
Royal Flying Corps. ==Sources of information==