Nam Byeong-gil

Nam Byeong-gil (Korean: 남병길; Hanja: 南秉吉; MR: Nam Pyŏnggil, 1820–1869), also known as Nam Sang-gil (南相吉, 남상길), courtesy name Jasang (자상; 字裳), art name Yugiljae (육일재; 六一齋) or Hyecheon (혜천; 惠泉), was a Korean mathematician and astronomer of the Joseon period. He was a member of the Uiryeong Nam clan.^[1] His brother Nam Byeong-cheol (南秉哲) was also a noted astronomer.^[2]

His works included:^[1]

• Siheon giyo (時憲紀要)
• Seonggyeong (星鏡)
• Yangdo uidoseol (量度儀圖說)
• Chubo cheoprye (推步捷例)
• Chiljeong bobeop (七政步法)
• Taeyang chulippyo (太陽出入表)
• Seonhak jeongui (算學正義)
• Seontaek giyo (選擇紀要)
• Jungseong sinpyo (中星新表)
• Chunchu ilsiggo (春秋日食攷)

References

1. Yi Eun-seong (이은성). "남병길(南秉吉)" [Nam Byeonggil]. Encyclopedia of Korean Culture (in Korean). Retrieved 12 June 2021.
2. Rufus, W. Carl (1936). "Astronomy in Korea". Transactions of the Korea Branch of the Royal Asiatic Society. 26: 1–48.

Further reading

• Ying, Jia-Ming (2014). "Nam Byeong-gil (1820–1869): A Confucian Mathematician and a "Promoter" of Mathematics in Late Joseon Period". In Ogawa, Tsukane; Morimoto, Mitsuo (eds.). Mathematics of Takebe Katahiro and History of Mathematics in East Asia. Mathematical Society of Japan. ISBN 978-4-86497-057-0.