Soon after the 2011 Tōhoku earthquake and tsunami , Keene retired from Columbia and moved to Japan with the intention of living out the remainder of his life there . He acquired Japanese citizenship , adopting the legal name キーン ドナルド '' Kīn Donarudo '' . This required him to relinquish his American citizenship , as Japan does not permit dual citizenship
2011 Tōhoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami
Donald Keene