Ikuo Hirayama
| 1930 | Born in Setoda, Ikuchijima Island, Hiroshima Prefecture. |
| 1945 | As a Shudo Junior High School student he was exposed to the atomic bomb explosion in Hiroshima City. |
| 1952 | Graduated from the Department of Japanese Painting of the Tokyo School of Fine Arts. He became a deputy assistant in the Department of Japanese Painting at the Tokyo School of Fine Arts. He began studying under the artist Seison Maeda. |
| 1953 | He was awarded his first prize at the 38th Inten for his work "The Way Home", and entered works in the Inten. |
| 1959 | He was awarded at the 44th Inten for his work "The Transmission of Buddhism". |
| 1962 | As the first recipient of a UNESCO fellowship, he went to Europe to study. |
| 1964 | He was elected as the member of the Japan Art Institute. |
| 1988 | He was appointed as a Goodwill Ambassador to UNESCO. |
| 1989 | He was elected the sixth president of Tokyo University of the Arts. |
| 1996 | Became chairman of the Japan Art Institute. |
| 1998 | Presented with the Order of Culture. |
| 2009 | Died at the age of 79. |