He predicted the mass of the Charm quark and contributed to its search. Since his inception as a physicist, he has published 110 papers for about 20 years, of which 77 papers have been published in the journal. There are 69 papers cited more than 10 times and eight papers cited more than 500 times. As of October 2013, all of his papers are cited more than 13,400 times. As a major disciple, Kang Joo-sang, professor emeritus at the Department of Physics at Korea University, is also the motif of the fictional character Lee Yong-hu in Kim Jin-myung's novel, "The Rose of Sharon Blooms Again".