Takuma Nakahira may be the most important Japanese photographer you have never heard of. In Japan, Nakahira is legendary for establishing, along with Daido Moriyama, an iconic are, bure, boke (grainy, blurry, out-of-focus) photographic style, and as cofounder of Provoke, the influential, experimental photography magazine synonymous with this style. Nakahira is also a prolific thinker on the medium. He deftly traversed the boundaries between theory and practice during the 1960s and ’70s in his critical writings on photography, art, film, journalism, radical politics, television, and tourism. The 2003 retrospective Takuma Nakahira: Degree Zero—Yokohama, curated by Shino Kuraishi at the Yokohama Museum of Art, was the first attempt to reveal the full scope of his work after decades of obscurity. Even more striking than Nakahira’s relative anonymity both in Japan and…