Movie mogul Louis B Mayer created a culture of fear with his tenacious grip on the life of any star who worked for him. If he didn’t like their hairstyle, their body shape, or even who they were dating, he’d see to it that the correct changes were made—whether they wanted them or not. And yet, some stars saw him as a father figure, one who cared deeply for their careers. Will the real Louis B Mayer please stand up?