One of the busiest actors in Hollywood, the “bad ass” Samuel L. Jackson’s prolific list of credits reflected a career born both in the theatre, and then shaped by the cinema as one of America’s leading African-American actors. Respected on both stage and screen, Jackson’s output seemed to increase almost exponentially as he grew older. Averaging about five features a year since 1992, Jackson began his screen career modestly in commercials, working at the pitchman for a regional fast-food chain called Krystal Hamburgers....