In Ingmar Bergman’s 1957 classic movie The Seventh Seal, a medieval knight plays chess with Death. And it’s not the only time this strategic board game has been played in such a way. In the following email interview with writer Etan Ilfeld, he talks about Duchamp Versus Einstein (paperback, Kindle), a new novella he co-wrote with writer Christopher Hinz in which artist Marcel Duchamp and scientist Albert Einstein match wits over the checkered board.