This pie chart on your right will illustrates the history of the U.S. Army officer corps that served throughout the First World War. Drawn in 1931 and based upon the data collected by the Department of War, this study outlines the history of Army leadership between April of 1917 through November of 1918.
"There were 200,000 Army officers. Of every six officers, one had previous military training with troops, three were graduates of officer training camps and two came directly from civilian life."
Additionally:
• 21% were doctors.
• 1% were chaplains.
• 6% were from the National Guard.
•Read about the Doughboy who loved Paris•
Click here to read a 1917 article about the U.S. Army officer training camp at Plattsburg, New York.
It was later discovered that a full sixty percent of the invalided Doughboys were mentally deficient, and the Army was unable to screen them out - you can read about that here