collectors' edition titled The Mandalas of the Two Worlds: The Legend of Shingon-in, and featured in a traveling exhibition organized by the Seibu Museum of Art and designed by Ikko Tanaka. Death and legacy After returning to Japan in 1961, Ishimoto became a naturalized Japanese citizen in 1968. He taught photography at Kuwasawa Design School (1962-66) the Tokyo College of Photography (1962-66) at Tokyo Zokei University (1966-71). Ishimoto died at the age of 90 on February 6, 2012, after being hospitalized the month before for a stroke. Ishimoto's many accolades include winning the Life magazine Young Photographer's Contest (1951); the Japan Photo Critics Association photographer of the year award (1957); the Mainichi Art Award (1970); the annual award (1978, 1990) and distinguished contribution award (1991) of the Photographic Society of Japan; and the Kochi prefectural cultural award (1996). In 1996, the Japanese government named Ishimoto a Person of Cultural Merit. In English, Yasuhiro Ishimoto signed his name "Yas Ishimoto" (see examples). Exhibitions Solo exhibitions Ishimoto Yasuhiro Photo Exhibition, Gallery Takemiya, Tokyo, 1954 Chicago, Chicago, Nihonbashi Shirokiya, Tokyo, 1962 Mandalas of the Two Worlds, Seibu Museum of Art, Tokyo, 1977 Machi - Hito - Katachi [Cities - people - shapes], P.G.I, Tokyo, 1986 Yasuhiro Ishimoto, Rencontres d'Arles festival, France, 1994 Yasuhiro Ishimoto: Remembrance of Things Present, National Museum of Modern Art, Tokyo, 1996 Ishimoto Yasuhiro-ten: Shikago, Tōkyō () / Yasuhiro Ishimoto: Chicago and Tokyo, Tokyo Metropolitan Museum of Photography, Tokyo, 1998 Yasuhiro Ishimoto: A Tale of Two Cities, Art Institute of Chicago, 1999 Yasuhiro Ishimoto: Mandalas of the Two Worlds at the Kyoo Gokokuji, National Museum of Art, Osaka, Osaka, 1999 Yasuhiro Ishimoto Photographs: Traces of Memory, Cleveland Museum of Art, 2000–2001 Ishimoto Yasuhiro Shashinten 1946–2001 ( 1946–2001) / Yasuhiro Ishimoto, The Museum of Art, Kōchi, Kōchi, Japan, 2001 Tokyo: Yasuhiro Ishimoto, Canadian Centre for Architecture, Montreal, 2012 Yasuhiro Ishimoto: Someday, Chicago, DePaul Art Museum, Chicago, 2018 Group exhibitions The Family of Man, Museum of Modern Art, New York, 1955 NON, Matsuya, Tokyo, 1962 Japanese Industry, Japan Pavilion, 1964 New York World's Fair (photomurals) Photography in the Twentieth Century, National Gallery of Canada, 1967 New Japanese Photography, Museum of Modern Art, New York, 1974 The Photographer and the City, Art Institute of Chicago, 1977 Eight Japanese Photographers, P.G.I, Tokyo, 1988 water, 21_21 Design Sight, Tokyo, 2007 Collections Ishimoto's family donated 34,753 prints, approximately 100,000 negatives and 50,000 positives, along with correspondences,