Chiaki Kawamata (川又千秋, Kawamata Chiaki; born December 4, 1948 in Otaru, Hokkaidō, Japan) is a Japanese science fiction writer and critic. He has won both the Seiun Award and the Nihon SF Taisho Award. Kawamata is also noted for writing the story of the manga Emblem of Roto.
Source: “Chiaki Kawamata”, English Wikipedia (CC BY-SA 4.0), excerpt