Mathematician's Morning * (Korean title: 수학자의 아침) by Kim So-yeon has been read or recommended by 2 Korean celebrities, including Moon Sang-hoon, Seo Ji-hye (1996). Below, each entry shows where they mentioned it and what they said.
He picked it as the one book he would recommend, talking about the need for moments when nobody tells you what to do. (Source: Moonji on X)
Book titles and author names marked with an asterisk (*) are machine-translated from Korean. No official English edition was confirmed for them, so read them as approximations of the Korean original shown next to them.