He Yousheng
... that He Yousheng studied the high-speed hydrodynamics of torpedoes?
... that <b id="mwAgY"><a href="./He_Yousheng" id="mwAgc" rel="mw:WikiLink" title="He Yousheng">He Yousheng</a></b> studied the high-speed hydrodynamics of <a href="./Torpedo" id="mwAgg" rel="mw:WikiLink" title="Torpedo">torpedoes</a>?