# Anna Mani: The Trailblazing Weatherwoman of India Exploring the scientific legacy of the physicist who pioneered India's meteorological instrumentation and renewable energy. - **Source:** [Science News | Latest Updates on Scientific Discoveries | The Hindu](https://www.thehindu.com/sci-tech/science/) - **Published:** 2026-10-16 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/86b72c48-fcc6-419a-ab9e-b54af979aa08 ## Early Life and Defiance Born in 1918 in Peermade, Travancore, Anna Mani challenged societal norms from childhood. She prioritized intellectual pursuits, famously requesting encyclopedias over traditional jewelry. Influenced by Mahatma Gandhi’s 1925 visit, she committed to wearing khadi. Her academic journey culminated in a B.Sc. Honours degree in physics and chemistry from Presidency College, Madras, in 1939. ## Research Under C.V. Raman In 1940, Mani began research at the Indian Institute of Science, Bengaluru, under Nobel Laureate Sir C.V. Raman. She focused on the spectroscopy of diamonds and rubies. Although the lack of a master’s degree prevented her from obtaining a PhD, her peer-reviewed research papers remain significant references in the scientific community today. ## Transition to Meteorological Science In 1945, Mani secured a government scholarship to study in England. While she was passionate about physics, the only available internship was in meteorological instrumentation at Imperial College London. This pivotal shift redirected her career, eventually leading her to become the leading figure in India's weather science and instrumentation development sector. ## Driving National Self-Reliance Returning to India in 1948, Mani joined the India Meteorological Department in Pune. She spearheaded efforts to reduce reliance on imported technology by standardizing and manufacturing essential tools like rain gauges, barometers, and anemographs. By 1953, she led the instruments division, overseeing the design and production of over one hundred distinct weather instruments. ## Innovations in Atmospheric Science Mani expanded her research into ozone layer studies, creating the ozonesonde to measure vertical ozone distribution. Her contributions earned her a position on the International Ozone Commission. This work demonstrated her ability to apply complex physics principles to practical atmospheric monitoring, further solidifying her reputation as a pioneer in the Indian scientific landscape. ## Foundations of Renewable Energy Mani was a visionary in solar and wind energy long before they became mainstream. She published critical references like the Handbook of Solar Radiation Data for India. Her extensive wind speed surveys and monitoring stations provided the essential groundwork for India’s future renewable energy development, influencing thermal system design for decades. ## Leadership and Later Career Retiring in 1976 as the Deputy Director-General of the India Meteorological Department, Mani continued her work at the Raman Research Institute. She collaborated with the Indian Institute of Tropical Meteorology to assess national solar and wind potential. She remained active in these research projects until her passing in 2001 in Thiruvananthapuram. ## Enduring Scientific Legacy Anna Mani’s career represents a transition from colonial-era dependency to indigenous scientific self-sufficiency. By integrating rigorous instrumentation standards with early renewable energy exploration, she shaped the trajectory of Indian atmospheric science. Her life remains a testament to the impact of persistent, evidence-based research on national infrastructure and long-term technological development. ## Sources covering this story - https://www.thehindu.com/children/anna-mani-a-star-from-the-hills/article71546743.ece — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._