Sir Ponnambala Thiaga Rajan (22 April 1892 – 25 September 1974) was the Chief Minister of Madras Presidency from 4 April 1936, to 24 August 1936 (143 Days). He was also the last President of the Justice Party. P. T. Rajan was born in a Thondaimandala mudaliar family in Uthamapalayam. His ancestors were from Kanchipuram. He attended The Leys School, Cambridge and later, Jesus College, Oxford. He graduated in history and law, and practiced as an advocate for some time before joining the Justice Party. Rajan was elected to the Madras Legislative Council as a Justice Party candidate in 1920 and served as a legislator till his defeat in 1937. He held various offices such as the Minister of Public Works and then, the Chief Minister of Madras Presidency. From 1939 to 1944, Rajan supported Periyar but broke off and headed the rebel Justice Party till 1957. Rajan was elected to the Madras Legislative Assembly in 1952 and served as a legislator from 1952 to 1957. Rajan died in 1974 at the age of 82. Rajan's son Palanivel Rajan served as a minister of the Dravida Munnetra Kazhagam and speaker of the Tamil Nadu Legislative Assembly from 1996 to 2001. Rajan's grandson Dr. Palanivel Thiaga Rajan (son of Palanivel Rajan) is the finance minister of Tamil Nadu from May 2021. Early life Ponnambala Thiaga Rajan was born in 1892 in Theni and belonged to the Kondaikatti Vellalar community. He was educated at Ley's School, Cambridge and graduated in history from Jesus College, Oxford University in 1915. He later studied law at the Inner Temple and was called to the Bar in 1917 and practised as an advocate before joining the Justice Party in the early 1920s. Political career Rajan stood as a Justice Party candidate in the 1920 elections and was elected as a member of the Madras Legislative Council. He was also instrumental in getting W. P. A. Soundrapandian Nadar nominated to the Madras Legislative Council as a Justice Party nominee. In government In 1930, when the Justice Party returned to power after a gap of 4 years, Rajan was appointed Minister of Public Works. He served as a minister in the governments of P. Munuswamy Naidu and the Raja of Bobbili. On 4 April 1936, he succeeded the Raja of Bobbili as the Chief Minister of Madras Presidency and held the post till 24 August 1936, when the