Carl Sprague is a busy guy. You can see it in our conversation with him below. But, more importantly, you can see it on his résumé. Since he began building theater sets at Harvard University (he says it was more rewarding than directing actors), Carl has worked in the art departments of more than 30 films, including Oscar winners like The Social Network, 12 Years a Slave, and The Grand Budapest Hotel. While his collaborators include Stephen Spielberg, Martin Scorsese, Wes Anderson…