Mylai Ponnuswamy Sivagnanam
Known For: Writing
Gender: Male
Date of Birth: June 26, 1906
Day of Death: October 3, 1995 (89 years old)
Place of Birth: Salvankuppam, Chennai
Mylai Ponnuswamy Sivagnanam, popularly known as Ma.Po.Si. (26 June 1906 – 3 October 1995), was an Indian politician, freedom fighter, and the founder of the political party Tamil Arasu Kazhagam. He wrote more than 100 books.