Complex sentence: Stobbs was a special justice for the central district court of Worcester from 1909 to 1916, and assistant district attorney for the middle district of Massachusetts from 1917 to 1921.
Split into simpler sentences: Stobbs was a special justice for the central district court of Worcester between 1909 and 1916. He was assistant district attorney for the middle district of Massachusetts from 1917 to 1921.