 He was also a member of St. Louis' "Olympic World's Champions" football team in 1904.Robinson graduated from Saint Louis University in 1908 with a medical degree and practiced as a surgeon at the Mayo Clinic in Rochester, Minnesota.In World War I, he was commissioned a captain of infantry in the U.S. Army, arriving in France in 1918 where he became an instructor in the use of the newly-developed tank, later serving as a front line infantry officer in the last ten days of the war.