Dan Ikuma

Dan's grandfather, Dan Takuma, was assassinated in the League of Blood incident in 1932. The incident and its aftermath inspired Dan to become a composer.

Son of businessman Dan Ino, president of Prince Motor Company, which later became Nissan.

Trained at Tokyo School of Music and contracted with NHK and later Toho.

Often collaborated with composers Akutagawa Yasushi and Mayuzumi Toshirô on concerts to debut their works.

Composed the overture for the 1964 Summer Olympics, held in Tokyo.

Suffered from congenital color blindness.

In addition to music, he was an accomplished essayist, and received the Yomiuri Prize for Literature in 1968.

Asteroid 17509, discovered in 1992, was named "Ikumadan" in his honor.