Jnanendra Nath Mukherjee, Scientist
Scientist

Jnanendra Nath Mukherjee

Born 23 April 1893 · West Bengal — Died 10 May 1983

Established the Indian Institute of Science's Colloid Chemistry Department in 1935.

Mukherjee was born to a Kulin Brahmin family of Kannaujite descent in the village of Mahadevpur in Rajshahi District, Bengal Presidency (now Bangladesh). He was the eldest son of his parents, Shri Durgadas Mukherjee and Shrimati Saratshashi Devi. His father had a brilliant academic career and became the Principal of the Raj Chandra College, Barisal. He gave it up later in favour of a Provincial Judicial Service. Mukherjee lost his father when he was only twelve years old, and was brought up along with his younger brother.

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A detail that
surprised us

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In 1915, Mukherjee published his MSc thesis work in a leading American chemistry journal, a rare feat for an Indian graduate student during British colonial rule.

The Story

1
🌟 In 1915, while still an MSc student at Presidency College, Jnanendra Nath Mukherjee published a paper on Electric Synthesis of Colloids in the Journal of the American Chemical Society, marking an early international recognition of his research.
2
In 1919, Mukherjee moved to University College London to work under Professor FG Donnan, where he developed his theory of the electrokinetic double layer, advancing the understanding of ionic constitution in colloids.
3🧪 By 1942, collaborating with N.C. Sen Gupta, he created a rotary viscometer to explore anomalous viscous properties in soils, bridging colloid chemistry with soil science in a novel way.
4In 1944, he innovated a method to differentiate crude oils using chromatography capillary analysis and fluorescence under UV light, introducing new techniques to petroleum chemistry.

🏅 Awards & Honours

1964
Padma Bhushan

🔍 One thing most people don't know

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Mukherjee lost his father at the young age of twelve, yet he managed to secure a district scholarship in 1909 and published internationally recognized research by 1915.

🖼️

Through the Years

3 photographs from the archives
Jnanendra Nath Mukherjee among pupils at Bose Institute with Jagadish Chandra Bose (1928)
Jnanendra Nath Mukherjee among pupils at Bose Institute with Jagadish Chandra Bose (1928)
1928
Jnanendra Nath Mukherjee standing with prominent Indian scientists in 1937
Jnanendra Nath Mukherjee with Indian scientists visiting the United States in Washington, D.C. (1944)

🗓️ A Life in Moments

🕊️
Birth
Born in Mahadevpur, Bengal Presidency
Jnanendra Nath Mukherjee was born into a Kulin Brahmin family in the village of Mahadevpur, now in Bangladesh.
1893
📚
Education
Passed Calcutta University Entrance Exam
He appeared for the last Entrance Examination of Calcutta University, earning a district scholarship.
1909
📖
Publication
Published paper on colloids in US journal
His MSc thesis work on Electric Synthesis of Colloids was published in the Journal of the American Chemical Society.
1915
⚡
Career
Joined University College London
Worked under Professor FG Donnan, advancing colloid electrochemistry theories.
1919
⚡
Career
Developed rotary viscometer for soil study
Collaborated with N.C. Sen Gupta to innovate instruments for studying soil viscosity anomalies.
1942
⚡
Career
Introduced crude oil differentiation method
Developed a method using chromatography and UV fluorescence to analyze crude oils.
1944
⚡
Career
Became Director of Imperial Agricultural Research Institute
Led reorganization of agricultural research and education across India.
1945
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🗝️Discoveries

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01 / 04
🏆ACHIEVEMENT

While working at University College London in 1919, Mukherjee advanced the electrokinetic double layer theory, a key concept in colloid electrochemistry.

02 / 04
🏆ACHIEVEMENT

In 1944, Mukherjee developed a novel method to differentiate crude oils using UV fluorescence, combining chemistry and analytical techniques.

03 / 04
🌍HISTORICAL IMPACT

Mukherjee’s leadership as Director of the Imperial Agricultural Research Institute began in 1945, during which he systematically expanded India's agricultural science education.

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🌱 What changed because of them

Jnanendra Nath Mukherjee pioneered the integration of colloid chemistry principles into soil science, which laid the groundwork for modern agricultural research in India. As Director of the Imperial Agricultural Research Institute, he reorganized and expanded research infrastructure, influencing soil management and crop science policies that supported India's agricultural development during a critical historical period. His theoretical and experimental innovations in colloid electrochemistry continue to inform both academic research and practical applications in soil and petroleum chemistry.

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