Now we know why Yoon Suk Yeols are doing this.

(1)He is the father of Yoon Suk Yeol, the 20th President of the Republic of Korea, an economist.
(2)two lives
(3)Born in 1931 in Nonsan-gun, Chungcheongnam-do I spent my childhood in Gongju-gun, graduated from Gongju Agricultural High School, current Gongju Life Science High School, and graduated from Yonsei University Graduate School in 1958. In 1967, right after diplomatic relations between Korea and Japan, he was selected as the first scholarship student of Japan’s Ministry of Education and studied at Hitotsubashi University
(4)He was a professor of economics at Hanyang University until 1997, and was a founding member of Yonsei University’s Department of Applied Statistics, and also served as chairman of the Korean Economic Association. No Ph.D. is currently an honorary professor at Yonsei University.