(1962- ) Japanese dentist and historian, author of several dozen works on varied non-genre or Equipoisal subjects, including true crime, youth culture and modern parenting. Nagayama rose to prominence in the field of sf criticism in the early twenty-first century, as editor of several compilations of early Japanese genre work (including a collection of Jūza Unno's stories), histories of Futures Studies and Future War fiction from the late nineteenth and early twentieth centuries. His Nichi-Rō Sensō Mō Hitotsu no Monogatari ["Another Story of the Russo-Japanese War"] (2004) chronicled the deep impact on Japanese culture and ideology of the leaps in Technology and expectations brought about by the conflict with Russia in 1904-1905 (see Shunrō Oshikawa).
His most notable books include Nippon SF Seishin-shi: Bakumatsu, Meiji Kara Sengo Made ["A History of Japanese SF Spirit: From the Late Bakufu/Early Meiji Period Until the Post-War Era"] (2009), which won him a Nonfiction Seiun Award, and Sengo SF Jiken Shi: Nihon-teki Sōzōryoku no 70-nen ["A History of Post-war SF Events: 70 Years of the Japanese Imagination"] (2012), an "occasionalist" cultural history of Japanese Fandom. [JonC]
born Hitachi, Ibaraki, Japan: 1962
works as editor
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