Ajitha Kesakambali

Ajitha Kesakambali - pinyin: Wúshèng Fàhè) was an ancient Indian philosopher in the 6th century BC. He is considered to be the first known proponent of Indian materialism. He was probably a contemporary of Buddha and Mahavira. It has frequently been noted that the doctrines of the Lokayata school were considerably drawn from Ajita's teachings.  (This is from wiki)

Ajitha Kesakambali was one of the 62 ancient Indian philosophers who existed during 6th century B.C. Earliest traces of Indian materialism  are found in his ideology. Charvaka's Lokayutha philosophy drawn inspiration from Ajitha Kesakambali's philosophy. He was contemporary of Mahavira, Buddha and Maccali gosala puthra.   (Above information in our own words.)