Among Thommayanti's works is the historical fantasy romance novel, Thawiphop (Thai: ทวิภพ), about a woman who time travels from the 20th century to Rama V-era Siam.
During the coup d'état in the 6 October 1976 Massacre, Wimon played important role in the "housewife society", a group of wives of military generals.
[1] In that event, students were mass murdered and Wimon was appointed by the junta that took control of the country as a legislator and member of the National Reform Council.
In 1986, the Supreme Court of Justice found Wimon, while serving as a senator, guilty of having committed adultery with Group Captain Akhom Atthawetworawut (นาวาอากาศเอก อาคม อรรถเวทย์วรวุฒิ), an officer who was also a senator, after Police Major Siwit Chiamcharoen (พันตำรวจตรี ศรีวิทย์ เจียมเจริญ), her husband, filed divorce proceedings and a claim for compensation.
[3] In spite of the Supreme Court's conviction, King Bhumibol Adulyadej awarded Wimon the honorific titles Khun Ying in 2005.