Alexander H. Flax
... that Alexander H. Flax, the future chief scientist of the U.S. Air Force, was part of a small team of engineers who developed the Piasecki HRP Rescuer, the first true twin-rotor helicopter?
... that <b id="mwAxI"><a href="./Alexander_H._Flax" id="mwAxM" rel="mw:WikiLink" title="Alexander H. Flax">Alexander H. Flax</a></b>, the future <a class="mw-redirect" href="./Chief_Scientist_of_the_U.S._Air_Force" id="mwAxQ" rel="mw:WikiLink" title="Chief Scientist of the U.S. Air Force">chief scientist of the U.S. Air Force</a>, was part of a small team of engineers who developed the <a href="./Piasecki_HRP_Rescuer" id="mwAxU" rel="mw:WikiLink" title="Piasecki HRP Rescuer">Piasecki HRP Rescuer</a>, the first true <a class="mw-redirect" href="./Tandem_rotors" id="mwAxY" rel="mw:WikiLink" title="Tandem rotors">twin-rotor</a> helicopter?