Complex sentence: He also wrote the plays "Mrs. Gibbons' Boys" and "Before the Dawn" and co-wrote the screenplays for "Enter Laughing" and "Fiddler on the Roof".
Split into simpler sentences: He also wrote the plays "Mrs. Gibbons' Boys" and "Before the Dawn". He wrote the screenplay for "Enter Laughing" and co-wrote the screenplay for "Fiddler on the Roof".