 Complete the following phrase:  He was also appointed Ophthalmologist to the Whitney War Hospital American Ambulance Hospital B, located on the Marne River. The Whitney Hospital was entirely ficed by Gertrude Vanderbilt Whitney, wife of wealthy ficier Harry Payne Whitney and Great-Grand Daughter of Commodore Cornelius Vanderbilt. The Whitney Hospital which was a branch of the American Ambulance Hospital on the 