Sir Ponnambala Thiaga Rajan was the First Minister of Madras Presidency from 4 April 1936, to 24 August 1936. 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.

The Leys School is a co-educational private school in Cambridge, England. It is a boarding and day school for about 574 pupils between the ages of eleven and eighteen, and the head is a member of the Headmasters' and Headmistresses' Conference.