Key Points Marsai Martin appeared on "GMA" to promote her role in the new Viola Davis action movie "G20." Michael Strahan asked where "Black-ish" character Diane would be today. "She'd definitely be ...

In 1966, Mr. Martin founded Black Sparrow Press, a shoestring operation that he ran out of his home for years with the help of part-time assistants and Ms. Martin, who designed the books.