Complex sentence: Joseph Albert Fields was born in New York City, the son of vaudevillean Lew Fields, he graduated from DeWitt Clinton High School and attended New York University before enrolling in the American Expeditionary Force during World War I, after which he remained in Paris until 1922.
Split into simpler sentences: Joseph Albert Fields was born in New York City, the son of vaudevillean Lew Fields. He graduated from DeWitt Clinton High School and attended New York University before enrolling in the American Expeditionary Force during World War I, after which he remained in Paris until 1922.