The Lee brothers continued their training with Suahm Dosa when they could until around 1950 when their family moved further south to Daegu. The Lee family relocated to Seoul and Suahm Dosa, according to the Lee family, relocated to Odae Mountain. It is roughly equivalent to "hermit sage expert".) Both Joo Bang Lee and his brother Joo Sang Lee trained with Suahm Dosa at the Sogwangsa Temple in the Kangwon Province (North Korea), before the breakout of the Korean War and they had to flee south to avoid the communist military. (Note that "Dosa" is actually his title, not his name.
Suahm Dosa claimed to practice within a tradition that had its roots with the ancient Hwarang, which he called Um-Yang Kwon (음양권 陰陽拳). In 1942, their father worked out a deal with a monk who was locally known as Suahm Dosa to educate his sons in traditional Korean cultural training. The modern martial art of Hwa Rang Do was founded by two Korean brothers, Joo Bang Lee and Joo Sang Lee, who started their martial art training with their father who taught them Judo and Kumdo at a young age. This group through various names lasted through the Koryŏ Dynasty until they were officially disbanded at the beginning of the Joseon Dynasty. These individuals were selected exclusively from the royal family and aristocracy and led members of the broader public who were described as Nangdo (Rang-do: 낭도 郎徒). These young men known as Hwarang (화랑 花郎) were cultivated from a young age to fill significant roles in politics, civil service, and military duties.
The martial art of Hwa Rang Do was named after a buddhist elite youth order of the Silla kingdom during the Three-Kingdoms Period in what is now South Korea.