sentences:  In October 1916, Dr. Frederick A. Besley, a surgeon at the School of Medicine, began organizing a field hospital to support and assist the Allies in World War I.The doctors were drawn from Northwestern, Rush University Medical Center, the University of Illinois and nurses came from Cook County, Mercy, Augustana, and Evanston hospitals.The unit comprised 330 officers, doctors, nurses, and enlisted men and was officially titled the U.S. Army Base Hospital No.