Otto Jäger
... that in 1917, flying ace Otto Jäger was wounded by a propeller?
... that in 1917, <a href="./Flying_ace" id="mwBM8" rel="mw:WikiLink" title="Flying ace">flying ace</a> <b id="mwBNA"><a href="./Otto_Jäger" id="mwBNE" rel="mw:WikiLink" title="Otto Jäger">Otto Jäger</a></b> was wounded by a propeller?