1st Lt. <a href="//commons.wikimedia.org/wiki/Alexander_A._Vandergrift" class="mw-redirect" title="Alexander A. Vandergrift">Alexander A. Vandergrift</a>, USMC. Portrait photograph. Though dated 5 April 1917, this image must have been taken in 1914-1916, as Vandegrift was promoted to Captain on 29 August of the latter year.
USMC photo #13975
<a rel="nofollow" class="external text" href="http://www.history.navy.mil/photos/images/c000001/c13975c.htm">Photo #: USMC 13975, First Lieutenant Alexander A. Vandegrift</a>, USMC Naval Historical Center.  Accessdate May 17, 2006. <br>URL: <a rel="nofollow" class="external text" href="http://www.history.navy.mil/photos/images/c000001/c13975.jpg">c13975.jpg</a>