Yukio Mishima (1925–1970) was a prolific and controversial writer. His early work focused on eroticism and sexuality, especially homosexual desire and its social implications. In his later writings, he dealt with heterosexual desire and relationships and with sociopolitical problems. In the 1960s, he showed a strong interest in the imperial and warrior traditions of Japan. “Voices of the Heroic Spirits” was written near the end of his life. He performed a semi-public ritual suicide in 1970 with a member of his “private army,” the Shield Society.