Chattampi Swamikal
Ayyappan Pillai (born 25 August 1853 – 5 May 1924), better known as Chattampi Swamikal was a Hindu sage and social reformer whose thoughts and work influenced the launching of many social, religious, literary and political organisations and movements in Kerala and gave voice to those who were marginalised. Chattampi Swamikal denounced the orthodox interpretation of Hindu texts citing sources from the Vedas.