Complex sentence: He received his formal training in Europe from 1900 through 1915 and later became art professor at the Chicago Academy of Fine Arts from 1916 to 1922, and at the Art Institute of Chicago from 1922 to 1934.
Split into simpler sentences: He received his formal training in Europe from 1900 through 1915. He was an art professor at the Chicago Academy of Fine Arts from 1916 to 1922, and at the Art Institute of Chicago from 1922 to 1934.