The story of how one Pittsburgh boy’s fascination with monsters drove him to the very top of the Hollywood food chain. In 1989, Greg Nicotero, much to his parents’ chagrin, quit medical school and headed for Hollywood to pursue a dream of making monsters. Together with gore masters Howard Berger and Robert Kurtzman, Nicotero went on to create KNB EFX Group, one of the most prolific makeup effects studios in the world. After twenty years as the “go to guy” for the world’s most successful…