Physician and linguist who spread smallpox vaccination
| Life | 1855 ~ 1935 |
| Era | 조선·대한제국·일제강점기 |
| Clan | 충주 지씨 |
Ji Seok-yeong, of the Chungju Ji clan, is known as the physician who spread smallpox vaccination in Korea. He is said to have learned the technique in Busan in 1879 and begun spreading it in Seoul the following year, and wrote Useu sinseol.
He later served as first principal of the government medical school and as an academic head of the Daehan Hospital, and took part in the National Language Research Institute.