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Ryūichi Kaneko
Ryūichi Kaneko was a photography historian and critic, photobook collector, and curator. He also worked as a monk at the Shōgyōin temple in the Taitō district of Tokyo while he researched the history of Japanese photography.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

The History of Japanese Photography
2003
ISBN 9780890901120