 Widely considered to be the father of Thai democracy, Pridi Banomyong was a writer of the first Thai constitution in 1932 which transformed Thailand from an absolute monarchy to a constitutional monarchy.In addition, he was twice prime minister, a wartime underground hero who fought the Japanese occupation of Thailand, and the founder of Thammasat University.However, Pridi was brought under suspicion of regicide in the death of King Ananda by his chief political rival, strongman military Prime Minister Plaek Pibulsonggram and was forced to flee into exile with his chief aide-de-camp (and Ananda's), Vacharachai Chaisittiwet.