Yo HIRAYAMA opposes these arguments in his "Fukuzawa yukichi no shinjitsu" (Bungeishinsho, Bungeishunju,) that these impressions of Yukichi were made by Mikiaki ISHIKAWA, the editor of "Jiji Shinpo," who wrote "Fukuzawa yukichi den" and compiled "Fukuzawa zenshu."
これに対して、平山洋の『福沢諭吉の真実』（文春新書、文藝春秋）によれば、それは『福澤諭吉伝』の著者で、『時事新報』の主筆を務め、『福澤全集』を編纂した石河幹明が原因という。