Choi Seok-jeong

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In this Korean name, the family name is Choi.
Choi Seok-jeong
최석정
최석정 초상.jpg
Chief State Councillor
In office
5 May 1705 – 24 April 1710
Preceded bySin Wan
Succeeded byYi Yeo
In office
27 March 1703 – 29 July 1703
Preceded bySeo Mun-jung
Succeeded bySin Wan
In office
24 July 1701 – 31 October 1701
Preceded bySeo Mun-jung
Succeeded bySeo Mun-jung
Left State Councillor
In office
12 April 1699 – 16 July 1699
Preceded byYi Se-baek
Succeeded bySeo Mun-jung
Right State Councillor
In office
3 April 1697 – 13 July 1698
Preceded bySeo Mun-jung
Succeeded byYi Se-baek
Personal details
Born(1646-07-02)2 July 1646
Died6 December 1715(1715-12-06) (aged 69)
Spouse(s)Lady Yi Gyeong-eok of the Yi clan
ChildrenChoe Chang-dae (son)
MotherLady An Jung-im of the Gwangju An clan (biological)
FatherChoe Hu-ryang (biological)
Choe Hu-sang (adoptive)
Choi Seok-jeong
Hangul
Hanja
Revised RomanizationCh'oe Seok-jeong
McCune–ReischauerChoi Sŏk-ch'ŏng
Pen name
Hangul
Hanja
Revised RomanizationJonwa, Myeonggok
McCune–ReischauerCh'onwa, Myŏngkok
Childhood name
Hangul
Hanja
Revised RomanizationSeokman
McCune–ReischauerSŏkman
Courtesy name
Hangul
Hanja
Revised RomanizationYeosi, Yeohwa
McCune–ReischauerYŏsi, Yŏhwa
Posthumous name
Hangul
Hanja
Revised RomanizationMunjeong
McCune–ReischauerMunch'ŏng

Choi Seok-jeong (Korean: 최석정; Hanja: 崔錫鼎; 1646–1715) was a Korean politician and mathematician in the Joseon period of Korea. He published the Gusuryak (Korean: 구수략; Hanja: 九數略) in 1700,[1] which is the first literature on the Latin square,[2] predating Leonhard Euler by at least 67 years.[3][4] He also invented the hexagonal tortoise problem.[5] Choi was a member of the Jeonju Choe clan.

References[]

  1. ^ "구수략(九數略)". 규장각 문화재청. Seoul National University Kyujanggak Institute for Korean Studies. Retrieved 11 April 2017.
  2. ^ Colbourn, Charles J.; Dinitz, Jeffrey H. (2 November 2006). Handbook of Combinatorial Designs, Second Edition. CRC Press. p. 12. ISBN 9781420010541. Retrieved 28 March 2017.
  3. ^ Ree, Sangwook (August 15, 2014). "Confucian scholar's discovery predates the work of Euler" (PDF). Math&Presso. Vol. 3. International Congress of Mathematicians.
  4. ^ Kim, Sung Sook (2012). Orthogonal Latin Squares of Choi Seok-Jeong (PDF). History and Pedagogy of Mathematics. Archived from the original (PDF) on 5 April 2017. Retrieved 28 March 2017.
  5. ^ Proceedings of the Genetic and Evolutionary Computation Conference. Morgan Kaufmann Publishers. 2002. p. 689. ISBN 9781558608788. Retrieved 28 March 2017.
Gusuryak by Choi Seok-jeong, published in 1700


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