Sentence:  In fact, Spencer Williams was maligned by the studios, forcing the Pittsburgh Courier to express it's disapproval of such practices by stating, 'Spencer Williams is said to have lost a golden opportunity at Christie Studios by kicking too soon for screen credit for pictures he claims to have helped <WSD>scenarise</WSD>. He is said to have forgotten that we have to abide our time.' 
Meaning of the word marked with <WSD> tags:  To create the physical set and staging for a film or play.