A VOLUNTEER IN THE 



UNITED STATES ARMY 



1861 



Major Keen received his first 

 commission in the United States 

 Army on July 1, 1861. In 18G2- 

 1864, he served in the Ascen- 

 sion and Eighth Street geu- 

 eralhospitals at Washington, 

 D.C.,the Satterlee Hospital, 

 and with Drs. Weir Mitchell 

 and G. R. Morehouse in 

 the Hospital for Nervous 

 Diseases and Injuries at 

 Turner's Lane, Philadel- 

 phia. When the United 

 States Medical Reserve 

 Corps was established in 1909 

 he immediately volunteered 

 for service and was commis- 

 sioned First Lieutenant. In 

 April, 1917, his rank was raised 

 to that of Major 



MAJOR W. W. KEEN 

 1917 



Major Keen, of Philadelphia, is 

 a man of international reputa- 

 tion and a pioneer in many 

 branches of surgery. The 

 foremost brain surgeon of 

 America, he was one of 

 the earliest to operate upon 

 brain tumors. He has been 

 connected for many years 

 with the Jefferson iledical 

 College of Philadelphia, as 

 lecturer and professor of 

 surgery, and is a member of 

 many of the leading scientific 

 idiieties of this country and 

 Eurf>pe. (This portrait and 

 the above reproduced through 

 tlie courtesy of Houghton !MiiSin 

 omxiany) 



ros 



