He was an Irish immigrant, who, despite bouts of mania, overthrew his impoverished upbringing and bent the New York media world to his will. She was his steadying hand, a notoriously fearless journalist who defied the gender expectations of her time.  Meet S.S. McClure and Ida Tarbell. Together, with their reporters Ray Stannard Baker and Lincoln Steffens, they created one of the most influential magazines in American history: McClure’s.