[3] After graduating from the English literature department of Keio University, he published prose and poetry works in Mita Bungaku magazine.

[2] His best-known work, Summer Flower[a] (Natsu no Hana), an account of the devastation he witnessed in Hiroshima, was published in June 1947 and received the first Takitaro Minakami Prize.

[5] His already fragile mental state had been exacerbated by the outbreak of the Korean War and president Truman's public consideration of the use of atomic bombs.

[2][5] Writer Yōko Ōta repeatedly thematised Hara's suicide in her works, such as the 1953–54 short stories Fireflies[3] and Residues of Squalor,[6] and her 1954 novel Han ningen.

[7] An epitaph to Tamiki Hara was built at the site of Hiroshima Castle in November 1951 by writers and literary scholars who had been close to him.