M.P. Parameswaran, renowned nuclear scientist and CPI(M) theorist, dies at 92
Renowned nuclear scientist and CPI(M) theorist M.P. Parameswaran has passed away at the age of 92 in Kerala. He was a prominent figure in the people's science movement and a former scientist at the Bhabha Atomic Research Centre.
Why it matters
His life bridged the gap between scientific expertise and grassroots political activism, leaving a significant legacy in Indian science communication and leftist political discourse.
M.P. Parameswaran, former nuclear scientist who later became prominent as a CPI(M) theorist, people’s science movement activist and writer, passed away in Thrissur, Kerala, on Tuesday (August 11, 2026). He was 92.
Mr. Parameswaran was one of the earliest and foremost members of Kerala Sasthra Sahithya Parishad (KSSP). His ideas on the ‘fourth world’ had triggered wide debate and eventually led to his expulsion from the CPI(M) in February 2004.
Born on January 18, 1935 in Thrissur district, Mr. Parameswaran secured his Bachelor’s Degree in Engineering from the College of Engineering, Thiruvananthapuram, in 1956 and his PhD in Nuclear Engineering from the Moscow Power Institute in 1965. He was a scientist with the Bhabha Atomic Research Centre (BARC), Mumbai, from 1957 to 1975.
After leaving BARC in 1975, he became a full-time activist and one of the best-known faces of KSSP.
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