Glynn Russell Turman, born on January 31, 1947, in New York City, is a revered American stage, television, and film actor as well as a writer, whose career spans decades. He gained early recognition for his role as Leroy "Preach" Jackson in the 1975 film "Cooley High." Turman's talent shone on Broadway, earning a Tony Award for "The Great White Hope." He's renowned for TV work in "The Wire," math professor and retired Army colonel Bradford Taylor on the NBC sitcom "A Different World," fictional Baltimore mayor Clarence Royce on the HBO drama series "The Wire" and "House of Lies." His filmograp…