

Photograph: Robert Viglasky/BBC/Caryn Mandabach Productions Ltd. Murphy’s Peaky Blinders character, Tommy Shelby, helped popularise old-fashioned flat caps. Nolan requested that Mirojnick not dress any other characters in hats, even though the film spans many decades where hats would have been the norm. He embodied the power of communication like no other.”

“I think of Oppenheimer like a rock star,” Mirojnick said. Alongside the film’s costume designer, Ellen Mirojnick, both Murphy and director Christopher Nolan were involved in the process of choosing the final hat. J Robert Oppenheimer’s hat was central to his iconography. Even if you just saw his shadow you'd know it was him Ellen Mirojnick, costume designer The hat completes Oppenheimer’s silhouette perfectly. John Lewis is now selling 21% more fedoras than flat caps, while specialist hatters Herbert Johnson says it is seeing increasing demand for the style from a younger demographic. Retailers are reporting an increase in demand for fedoras, a style similar to the hat Murphy wears in his portrayal of the “father of the atomic bomb”.
