This open letter, which started with the phrase "When we look at you as an individual human being, we cannot help but feel compassion," was written by a student, Tetsuro Nakaoka (he later became a professor of Osaka City University).
「私達は一個の人間として貴方を見る時、同情に耐えません」で始まるこの質問状は、当時学生であった中岡哲郎（のち大阪市立大学教授）の執筆によるものであった。