The FX limited drama series Fosse/Verdon spans over five decades, as it explores the romantic and creative partnership between groundbreaking filmmaker and choreographer Bob Fosse (Sam Rockwell) and Broadway dancer Gwen Verdon (Michelle Williams), considered the greatest of all-time. While they together changed the face of American entertainment, their personal relationship was a very complicated one and their pursuit of greatness came at a definite cost. During this interview with Collider, executive producers Thomas Kail, Steven Levenson, Joel Fields and Nicole Fosse talked about how Fosse/Verdon came about, what brought them together on the project, what was …