Lloyd George Richardswas a Canadian-American theatre director, actor, and dean of the Yale School of Drama from 1979 to 1991, and Yale University professor emeritus... (wikipedia)
He was really a neophyte when I first read his work. The O'Neill had rejected it five times, but the sixth time one of my readers said he had improved a great deal. He had learned to write dialogue, and now he was learning to write confrontations between two people.
What those plays did for the black theater community was tremendous,
For me, it was easy to work with him. He was so very knowledgeable, but he was ready to listen, and he did.