Manori Ravindran International Editor“Chernobyl” producer Sister — the content studio set up by Jane Featherstone, Stacey Snider and Elisabeth Murdoch — has hired former “Black Mirror” producer Lucy Dyke to lead a new production hub out of Manchester, in northern England.The outfit is called Northern Sister, and will focus on developing and producing high-end scripted projects in the region, while fostering creators from diverse backgrounds both on and off screen.