Choi Seok-jeong (; 1646âÂÂ1715) was a Korean politician and mathematician in the Joseon period of Korea.
He published the Gusuryak () in 1700, the first known literature on Latin squares, predating Leonhard Euler by at least 67 years. He also invented the hexagonal tortoise problem. Choi was a member of the Jeonju Choe clan.
The Choi Seok-jeong Award was created in 2021 to recognize those who develop or spread mathematics. Spelling of laureates' names matches their Wikipedia page, if it exists, the remainder uses Revised Romanization of Korean.