Complex sentence: In 1936, Fitzpatrick enrolled at the Detroit Society of Arts and Crafts (now the College for Creative Studies), he was 18 years old and worked at Chrysler at night to pay his way.
Split into simpler sentences: In 1936, Fitzpatrick enrolled at the Detroit Society of Arts and Crafts (now the College for Creative Studies). At that time, he was 18 years old and worked at Chrysler at night to pay his way.