A supporter of the Japanese cause, he lived from 1940 in his Japan exile, where he wrote a book about his country of origin.
She attended schools in Bangkok and later began studying pharmacy at Sorbonne in France, when her father served there at the Thai embassy.
Her husband was a literary scholar who was known for translating classical Thai poems and theater plays into English.
In 1946, they founded the Standard, a weekly newspaper for an international audience interested in Thailand, for which Ngarmchit was the editor.
[3] When her husband Prem Purachatra was appointed as ambassador to various countries between 1968 and 1975, Ngarmchit followed him to these posts, abandoning her work for the Standard for which she had been editor for 20 years.
Interested in traditional craft, she founded the Asian Handicraft Promotion and Development Association in 1981, which was as local partner organization with UNESCO.