India, Aug. 11 -- Eminent nuclear scientist, prolific writer and Left theorist M P Parameswaran, known for his pioneering role in popularising science and his controversial "Fourth World" theory, died at his residence here on Tuesday.

Parameswaran, a multifaceted personality who worked as a scientist, science communicator, author, theoretician and literacy campaigner, was among the founding figures of the Kerala Sasthra Sahithya Parishad (KSSP), which played a major role in promoting scientific awareness among the masses.

His death marks the end of a long and influential journey that straddled science, social activism, literature and Left politics.

Born on January 18, 1935, at Kiraloor in Thrissur district, Parameswaran graduated in el...