Sung Ki Lee (as well as Sung Gi Ri or Sung-gi Yi), Korean chemist (Damyang, South Jeolla Province 01 October 1905 – 08 February 1996)

Authored 48 papers

With Japanese I. Sakurada & H. Kawakami developed vinylon synthetic fiber (1939) that patented in 1941

Invented high explosives for North Korea artillery (Lee Sung Ki cannons)

Developed methods of dyeing synthetic fibers