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Choe Mu-Seon (1325–1395) was a medieval
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
n scientist, inventor, and military commander during the late
Goryeo Goryeo (; ) was a Korean kingdom founded in 918, during a time of national division called the Later Three Kingdoms period, that unified and ruled the Korean Peninsula until 1392. Goryeo achieved what has been called a "true national unificati ...
Dynasty and early
Joseon Joseon (; ; Middle Korean: 됴ᇢ〯션〮 Dyǒw syéon or 됴ᇢ〯션〯 Dyǒw syěon), officially the Great Joseon (; ), was the last dynastic kingdom of Korea, lasting just over 500 years. It was founded by Yi Seong-gye in July 1392 and re ...
Dynasty. He is best known for enabling Korea to domestically produce
gunpowder Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). ...
by obtaining a recipe for the
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of ...
commodity from a Chinese
merchant A merchant is a person who trades in commodities produced by other people, especially one who trades with foreign countries. Historically, a merchant is anyone who is involved in business or trade. Merchants have operated for as long as indust ...
, as well as inventing various gunpowder-based weapons in an attempt to repel the
wokou ''Wokou'' (; Japanese: ''Wakō''; Korean: 왜구 ''Waegu''), which literally translates to "Japanese pirates" or "dwarf pirates", were pirates who raided the coastlines of China and Korea from the 13th century to the 16th century.Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
.


Life

Choe was born into a wealthy family in
Yeongcheon Yeongcheon () is a city in North Gyeongsang Province, South Korea. Yeongcheon is located southeast of Seoul, in the southeast of North Gyeongsang Province. It is on the Gyeongbu Expressway linking Seoul and Busan, and is also the junction of t ...
, Gyeongsang province; his father was an official in the administration. He qualified to be a military officer through
civil service examination Civil service examinations are examinations implemented in various countries for recruitment and admission to the civil service. They are intended as a method to achieve an effective, rational public administration on a merit system for recruiti ...
. The government's control of Goryeo was crumbling, and at the same time the pirates crossing the
Korean Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
plundered much of the coastal regions. In the southern part of the nation, pirates even marched deep inland, causing havoc. The Goryeo government was not able to ensure security, despite the efforts of generals Yi Song Gye and Choi Yong. In his childhood, while he was at the royal palace with his father, who was working for the king, Choe saw
fireworks Fireworks are a class of Explosive, low explosive Pyrotechnics, pyrotechnic devices used for aesthetic and entertainment purposes. They are most commonly used in fireworks displays (also called a fireworks show or pyrotechnics), combining a l ...
made by
Mongols The Mongols ( mn, Монголчууд, , , ; ; russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal membe ...
and
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of ...
, who at the time had indirect control of Goryeo (their influence was repealed by
King Gongmin Gongmin of Goryeo (23 May 1330 – 27 October 1374), also known by his Mongolian name, Bayan Temür., was 31st ruler of Goryeo from 1351 to 1374. He was the second son of King Chungsuk. Biography Early life Goryeo had been a semi-autonomou ...
). Later in life, Choe embarked on a quest to bring the recipe of gunpowder to Korea. He visited China, which was then ruled by the Mongolian
Yuan Dynasty The Yuan dynasty (), officially the Great Yuan (; xng, , , literally "Great Yuan State"), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after its division. It was established by Kublai, the fifth ...
. In general, technology of that region, such as
cotton Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus ''Gossypium'' in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor perce ...
growing and gunpowder manufacture, was kept secret. Choe sought to smuggle some examples of secret items, and eventually was able to obtain knowledge of the three key ingredients of gunpowder:
sulfur Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula ...
, slack or fine coal, and
potassium nitrate Potassium nitrate is a chemical compound with the chemical formula . This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitrat ...
. However, the process to obtain
niter Niter or nitre is the mineral form of potassium nitrate, KNO3. It is a soft, white, highly soluble mineral found primarily in arid climates or cave deposits. Historically, the term ''niter'' was not well differentiated from natron, both of w ...
, the mineral form of potassium nitrate, was difficult, and he did not know how to prepare gunpowder from the raw materials. After a chain of experimental failures, Choe considered abandoning the project, but heard about a wealthy Chinese merchant named Li Yuan who had great knowledge of gunpowder. Choe visited Lee while he was staying in Goryeo on business, and bribed Lee for the gunpowder recipe, in violation of Mongol and Chinese law. Korea began its first domestic production of gunpowder between the years of 1374 and 1376. Choe demonstrated the power of the new weapon in front of
King U U of Goryeo (25 July 1365 – 31 December 1389) ruled Goryeo (Korea) as the 32nd king from 1374 until 1388. He was the only son of King Gongmin. Cultural background In the thirteenth century, Mongol forces had invaded China and established th ...
and many other court advisers; and almost every one of them were impressed by its devastating power compared to other arms which were already in existence in Korea. The government gave him great support, establishing the official laboratory and factory for gunpowder in 1377; here Choe invented various kinds of cannon and other firearms. Among his inventions were the
singijeon ''Singijeon'' or ''shinkichon'' ( ko, 신기전; Hanja: ; literally "Divine machine arrows") was a type of Korean fire arrow rocket, used during the era of the Joseon Dynasty (1392–1897). Multiple ''singijeon'' could be launched by ''hwacha ...
and the
hwacha The ''hwacha'' or ''hwach'a'' ( ko, 화차; Hanja: ; literally "fire cart") was a multiple rocket launcher and an organ gun of similar design which were developed in fifteenth century Korea. The former variant fired one or two hundred rocket-po ...
, a launching device somewhat resembling the first modern
multiple rocket launcher A multiple rocket launcher (MRL) or multiple launch rocket system (MLRS) is a type of rocket artillery system that contains multiple launchers which are fixed to a single platform, and shoots its rocket ordnance in a fashion similar to a volle ...
. Then he put his inventions into real battle against the Japanese at the Battle of Jinpo, in which he participated as one of the Korean commanders; the battle was easily won by Korean forces, thanks to the gunpowder. He also began to build warships to chase off the pirates. Since his inventions greatly contributed to his country, he was able to be promoted and participate in politics. However he was already old when he obtained the gunpowder recipe from the merchant, and his later days saw the change of Dynasty from Goryeo to Joseon. Soon after the foundation of the new
Joseon Dynasty Joseon (; ; Middle Korean: 됴ᇢ〯션〮 Dyǒw syéon or 됴ᇢ〯션〯 Dyǒw syěon), officially the Great Joseon (; ), was the last dynastic kingdom of Korea, lasting just over 500 years. It was founded by Yi Seong-gye in July 1392 and re ...
, Choe retired from both military and political affairs, and died in 1395. After his death, King Taejo gave him the honorary title of vice-premier. He is still remembered in Korea as the perfect role model for many scientists and as a patriot.


Work book

* Hwayaksuryeonbeop (화약수련법 火藥修鍊法) * Hwapobeop (화포법 火砲法)


See also

*
Military of the Goryeo Dynasty The Military of the Goryeo Dynasty was the primary military force of the Goryeo Dynasty. During the Later Three Kingdoms Period, Wang Geom overthrew the Taebong ruler, Gung Ye, and renamed it Goryeo after the Goguryeo Dynasty. He led the kingdom' ...
*
Fire Arrow Fire arrows were one of the earliest forms of weaponized gunpowder, being used from the 9th century onward. Not to be confused with earlier incendiary arrow projectiles, the fire arrow was a gunpowder weapon which receives its name from the tra ...
*
Singijeon ''Singijeon'' or ''shinkichon'' ( ko, 신기전; Hanja: ; literally "Divine machine arrows") was a type of Korean fire arrow rocket, used during the era of the Joseon Dynasty (1392–1897). Multiple ''singijeon'' could be launched by ''hwacha ...
*
Hwacha The ''hwacha'' or ''hwach'a'' ( ko, 화차; Hanja: ; literally "fire cart") was a multiple rocket launcher and an organ gun of similar design which were developed in fifteenth century Korea. The former variant fired one or two hundred rocket-po ...
*
Jang Yeongsil Jang Yeong-sil (; ; 1390 – after 1442) was a Korean mechanical engineer, scientist, and inventor during the Joseon Dynasty (1392–1897). Although Jang was born as a peasant, King Sejong allowed Jang to work at the royal palace. Jang's inven ...
*
Korean cannon Cannons appeared in Korea by the mid 14th century during the Goryeo dynasty and quickly proliferated as naval and fortress-defense weapons. Major developments occurred throughout the 15th century, including the introduction of large siege mortars a ...
*
I Jangson I, or i, is the ninth letter and the third vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''i'' (pronounced ), plural ...


References

{{DEFAULTSORT:Choe, Mu-seon 1325 births 1395 deaths Choe clan of Yeongcheon 14th-century Korean people Korean generals Korean scientists Military history of Korea People from Yeongcheon Medieval Korean scientists