President Kim Il Sung and leader Kim Jong Il ensured that Han Um Jon, who was born in an alien land in March Juche 37, 1948, came to the socialist homeland, and bestowed favors on Han.

Kim Jong Un has shown warm love tantamount to the one of the great leaders for Han, ensuring that Han works at a revolutionary post and inherits the tradition of the nation and patriotism.

Ri Yong Su has devoted his wisdom and passions to education and scientific research, contributing to the development of the country's agriculture and the training of talented agronomists.

While working as a teacher and a researcher for many years after his graduation from a university, he wrote dozens of kinds of textbooks and reference books and 100-odd scientific papers and trained many holders of academic degree.

Han and Ri were awarded commendations of the President and watches bearing his august name and had honor of participating in various significant meetings including the Sixth Congress of the Workers' Party of Korea.