Mongkut
Mongkut (Thai: มงกุฏ; 18 October 1804 – 1 October 1868) was the fourth monarch of Siam (Thailand) under the House of Chakri, titled Rama IV. He ruled from 1851 to 1868. His full title in Thai is Phra Bat Somdet Phra Menthora Ramathibodi Sri Sinthara Mahamakut Phra Mongkut Phra Siam Deva Mahamakut Wittaya Maharaj (พระบาทสมเด็จพระปรเมนทรรามาธิบดีศรีสินทรมหามงกุฎ พระจอมเกล้าเจ้าอยู่หัว พระสยามเทวมหามกุฏวิทยมหาราช).
Mongkut Media
Arrival of King Mongkut at Wat Pho, photographed by John Thomson, 1865
King Mongkut in western dress at the Grand Palace, as photographed by John Thomson
Chuang Bunnag served as King Mongkut's chief minister for all of his reign, and later served as regent for his son Chulalongkorn.
The Thai language version of the 'Treaty of Friendship and Commerce between the Kingdom of Siam and the British Empire' dated 18 April 1855. Also known as the Bowring Treaty
Anna Leonowens worked for King Mongkut from 1862 to 1867