Alex Ritman It’s been five years since “Chernobyl,” HBO’s phenomenally successful miniseries about the catastrophic 1986 disaster and a show that garnered both widespread acclaim and a whole host of Emmys, Golden Globes and BAFTA TV awards. Its creator Craig Mazin has since brought us zombies galore in the video game adaptation “The Last of Us,” but now “Chernobyl’s” BAFTA and Emmy-winning director Johan Renck is about to unleash his next project.