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Sir Jnan Chandra Ghosh or Jnanendra Chandra Ghosh (4 September 1894 – 21 January 1959) was an Indian chemist best known for his contribution to the development of scientific research, industrial development and technology education in India.[1] He served as the director of the newly formed Eastern Higher Technical Institute in 1950, which was renamed as IIT Kharagpur in 1951. He was also the director of the Indian Institute of Science Bangalore and Vice Chancellor of the University of Calcutta.

Key Information

He was also known for his development of anomaly of strong electrolytes and the dissociation - ionization theory.[2][3]

Ghosh's other important contributions include his extensive study of photocatalysts under the influence of polarised light and developments of Fischer–Tropsch reaction for the synthesis of hydrocarbons.[4][5] Dr. Ghosh made contributions in the field of the application of Differential Thermal Analysis (D.T.A) as a tool for the systematic study of solid catalysts.[6]

He also successfully guided research work on technical problems relating to the production from Indian raw materials of phosphatic fertilisers, ammonium sulphate, formaldehyde, potassium chlorate, etc. During his active career in building scientific research, technical education and industrial development, he was the Head of the Department of Chemistry at Dacca University, the Director of the Indian Institute of Science at Bangalore, the Director of the Indian Institute of Technology, Kharagpur, the Vice Chancellor of Calcutta University, and the Director-general of Industries and Supplies, Government of India.[citation needed]

Jnan Chandra Ghosh polytechnic , a government technical education institute providing diploma in engineering is named after him , located at mominpur area of Kolkata.

Biography

[edit]
c. 1919

Jnan Chandra Ghosh was born in a Bengali Kayastha family in Giridih, Jharkhand, British India.[7] The son of Ram Chandra Ghosh, J C Ghosh belonged to a family of mica mine owners and mica merchants.[7] He had his initial schooling at Giridih High School, where he stood first in the Chotnagpur Division in 1909 and enrolled in Presidency College, Kolkata. At Presidency College, he was among the finest students who would later become famous scientists.

In 1911, Jnan Chandra got fourth position in I.Sc. examination, while his other famous classmates Satyendranath Bose topped the list and Meghnad Saha got the third position.[8] He passed both B.Sc. and M.Sc. as first in the first class in Chemistry and during this time he came under inspiring influence of Acharya Prafulla Chandra Ray. The Vice-Chancellor of Calcutta University, Sir Ashutosh Mukherjee invited Jnan Ghosh to join as a lecturer even before the results were published. After his M.Sc. he was appointed as a lecturer of the Chemistry Department of newly founded Rajabazar Science College, Calcutta.

The Sir Tarak Nath Palit Scholarship and Premchand Raychand student of the year award enabled J C Ghosh to travel to England for his doctoral degree at University College of Science in London.[9] In London, he took up research on various problems of photochemistry and he led to the exposition of theory of anomaly of strong electrolytes and the ionization theory. His scientific research drew appreciation from many famous scientists such as Max Planck, William Bragg and Walther Nernst.[10]

In 1918, he was awarded D.Sc. for his research on strong electrolytes. During his stay in London, he worked for some time under Frederick G. Donnan.[citation needed]

Career

[edit]
Jnan Chnadra Ghosh with other scientists at Calcutta University

In 1921, J C Ghosh returned to India and joined the newly established Dacca University as professor and Head of the Department of Chemistry. He served Dacca University for about twenty years and with successes in research in building a brilliant school of Physical Chemistry. The most intensive research was carried out in the field of photo-chemistry, bio-chemistry and agricultural chemistry. He also served as dean of the Faculty of Sciences in 1924 and Provost of the Dacca University Hall from 1925 til the end of his stay. He attracted many to scientific research by his devotion and personality. His service at the Dacca University is considered to be the best period in his career in shaping science education in India.[11]

In 1939, he was summoned to succeed C V Raman as the Director of the Indian Institute of Science at Bangalore. At IISc too, J C Ghosh developed the institute rapidly by introducing engineering studies such as Aeronautical Engineering, Internal Combustion Engineering, Metallurgy and Power and High Voltage Engineering. During his service at IISC, he was knighted in 1943, chiefly for his war services.[11][12]

He pioneered research on the Fischer-Tropsch synthesis for obtaining liquid fuel from carbon monoxide and hydrogen and step-wise mechanism of ammonia synthesis from its elements, nitrogen and hydrogen. The findings were published in a book titled Some Catalytic Gas Reactions of Industrial Importance.

Inspired by his mentor Acharya Prafulla Chandra Ray, J C Ghosh was committed to development of industries in India.[13] Towards that goal, he led research work on technical problems relating to the production from Indian raw materials of phosphatic fertilisers, ammonium sulphate, formaldehyde, and potassium chlorate. He transitioned to the role of Director-General of Industry and Supply (1947-1950) and collaborated with international experts that laid the basis of heavy industries of steel, petroleum, machine tools and radar industries. During this period, he also served as a member of the All India Council of Technical Education and there he felt the inadequacy of quality trained persons for large-scale industrial development. The need for technical education led to the establishment of a technology institute and J C Ghosh became the first Director of the Indian Institute of Technology, Kharagpur. J C Ghosh built a strong foundation with a cosmopolitan environment and brought the right people from across India and all over the world. He believed in close interaction between teachers, students and administration.

At his highest intense involvement at IIT, Kharagpur, he was called upon to lead his alma mater, Calcutta University. At the news of his departure, the students at IIT, Kharagpur went on a mass strike. Sir J C Ghosh addressed the students on the lawns of the students' residence, Patel Hall, and broke down in the middle of his speech and cried. In 1954, he left for Calcutta to become Vice Chancellor, Calcutta University where he started focusing on the improvements of living conditions of the students. In 1954, the Government of India awarded Padma Bhushan on him in recognition of his ability and service to the country.[14] After a year, he was inducted into the Planning Commission and was placed in charge of Education, Scientific Research and Health. Since May 1955, Dr. Ghosh had served with great distinction as a Member of the Planning Commission. He took part in all the stages of the preparation of the Second Five Year Plan and had a large share in working out proposals for the expansion of facilities for technical education at various levels. He died in harness on 21 January 1959.[15]

References

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Jnan Chandra Ghosh

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Sir Jnan Chandra Ghosh (4 September 1893 – 21 January 1959) was an Indian physical chemist and institution builder instrumental in advancing scientific research and technical education in India.[1][2] Best known for developing the theory of strong electrolytes during his early research, Ghosh earned international recognition from figures such as Walther Nernst and Max Planck for his work on electrolytic dissociation and ion-solvent interactions.[2] His administrative contributions included serving as the first Indian Director of the Indian Institute of Science in Bengaluru from 1939, where he expanded engineering departments amid wartime industrial needs, and as the founding Director of the Indian Institute of Technology Kharagpur from 1950 to 1954, establishing it as a premier engineering institution.[3][2] Ghosh's research extended to photochemistry, catalysis, and industrial processes such as the Fischer-Tropsch synthesis for hydrocarbon production, influencing applied chemistry in India.[1][2] As Vice-Chancellor of the University of Calcutta from 1954 and a member of India's Planning Commission, he shaped policies for scientific and technical manpower development, emphasizing self-reliance in education and industry.[1] Knighted in 1943 and awarded the Padma Bhushan in 1954, Ghosh's legacy lies in bridging fundamental science with national technological progress, free from ideological distortions prevalent in some contemporary accounts.[2]

Early Life and Education

Birth and Family Background

Jnan Chandra Ghosh was born on 4 September 1893 in Purulia, then part of the Bengal Presidency in British India.[1] [2] His family belonged to the Bengali community and initially enjoyed affluence due to his father's business interests.[1] Ghosh was the son of Ram Chandra Ghosh, a local entrepreneur who owned a mica mine, which provided economic stability during his early years.[1] [2] However, the family's fortunes declined following the mine's closure, leading to financial hardships that shaped his formative environment.[1] [2] Limited records exist on his mother or siblings, with primary accounts focusing on the paternal lineage and the impact of economic shifts in the region.[1]

Formal Education and Early Influences

Ghosh received his early schooling at Giridih High School, where he excelled and passed the Entrance Examination of the University of Calcutta in 1909, securing first position in the Chotanagpur Division along with a divisional scholarship.[1] He then enrolled at Presidency College, Calcutta, the same year, an institution renowned for its rigorous scientific training during the Bengal Renaissance.[1] At Presidency College, Ghosh pursued a sequence of degrees in chemistry: he completed the Intermediate in Science (I.Sc.) examination in 1911, ranking fourth in merit; earned his B.Sc. with honours in chemistry in 1913, achieving first position in the first class; and obtained his M.Sc. in chemistry in 1915, again first in the first class, earning several medals for his performance.[1] [2] In recognition of his research on the theory of strong electrolytes, Calcutta University awarded him a Doctor of Science (D.Sc.) degree around 1918.[2] [4] Ghosh's early academic environment profoundly shaped his scientific outlook, particularly through mentorship under Acharya Prafulla Chandra Ray, the pioneering chemist and professor of chemistry at Presidency College, whose emphasis on indigenous chemical research and industrial applications left a lasting impact.[2] [1] He was also exposed to Sir Jagadish Chandra Bose's work in physics, contributing to a multidisciplinary ethos amid the patriotic Swadeshi movement and initiatives by university leader Sir Ashutosh Mukherjee to foster advanced scientific inquiry.[1] His contemporaries at Presidency College included notable figures such as Satyendra Nath Bose, Meghnad Saha, J. N. Mukherjee, and N. R. Sen, whose collaborative intellectual milieu reinforced Ghosh's commitment to empirical rigor in physical chemistry.[1] [3]

Scientific Contributions

Development of Ghosh's Law and Electrolyte Theory

In 1918, Jnan Chandra Ghosh initiated a series of investigations into the non-ideal behavior of strong electrolytes, which deviated from predictions of the Arrhenius dissociation theory and Ostwald's dilution law, particularly in properties like electrical conductivity and colligative effects that suggested minimal variation with dilution despite high ionization.[5] Observing that strong electrolytes exhibited near-complete conductivity even at moderate concentrations, Ghosh rejected partial dissociation as the cause of these anomalies, instead attributing them to complete ionization coupled with interionic attractive forces that impede free ion movement and alter solution thermodynamics.[6] His publications, including "The Abnormality of Strong Electrolytes—I: The Electrical Conductivity of Aqueous Salt Solutions" in the Journal of the Chemical Society, laid out this framework, emphasizing empirical data from aqueous solutions of salts like potassium chloride and sodium chloride.[7] Ghosh's electrolyte theory posited that in strong electrolytes, all solute dissociates into free ions without neutral molecules present, with observed abnormalities stemming from the electrostatic interactions within the ionic assembly, akin to an early conceptualization of ionic atmosphere effects.[8] He extended this to binary and ternary electrolytes, deriving quantitative relations for conductivity minima and transport numbers, and applied it to explain osmotic pressure reductions and activity coefficient variations.[8] This approach marked a departure from earlier models like those of Milner and Partington, which had invoked interionic forces but lacked Ghosh's comprehensive correlation across multiple properties.[1] Ghosh's Law, the cornerstone of his theory, states that the magnitude of abnormality (Δ) in properties such as equivalent conductance or freezing point depression scales with the cube root of concentration: Δ = k c^{1/3}, where k is a constant dependent on the electrolyte and solvent.[9] This relation successfully fitted experimental data for 1:1 electrolytes over a range from dilute to 0.1 N solutions, outperforming square-root or linear dependencies in intermediate regimes.[10] Derived from a quasi-lattice or field-based model of ion interactions, the law anticipated later statistical treatments, though it was empirically tuned rather than fully statistically derived.[5] Ghosh's contributions, published amid World War I disruptions to European research, gained prompt recognition for unifying disparate observations under complete ionization and interionic effects, paving the way for the 1923 Debye-Hückel-Onsager theory's refinement to a square-root dependence at infinite dilution.[6] His insistence on causal ionic forces over ad hoc dissociation adjustments influenced subsequent electrolyte studies, including quasi-lattice models that revisited the cube-root scaling for concentrated solutions.[11]

Research in Photochemistry and Catalysis

Ghosh's research in photochemistry began during his doctoral studies in London, where he investigated photochemical anomalies in strong electrolytes and related reaction kinetics under light influence.[1] Returning to India in 1921, he established the nation's first dedicated school of photochemistry at the University of Dacca, attracting students nationwide and emphasizing experimental rigor in light-induced processes.[1][2] This initiative paralleled his parallel school on industrially relevant gas reactions, fostering systematic studies before photochemistry gained widespread academic traction.[3] Key investigations included photochemical reactions of bromine with organic substrates in aqueous solutions, such as tartaric acid, where he quantified reaction velocities and optical asymmetries.[12] He extended this to comparative analyses under circularly polarized, plane-polarized, and unpolarized light, measuring rates for bromine interactions with cinnamic acid and maleic acid to elucidate light's directional effects on molecular activation.[13] Additional work examined photocatalysis, including the glucose-hydrogen peroxide reaction in acidic media sensitized by tungstic acid sols, highlighting sol-particle roles in electron transfer.[1] He also explored iodine as a photocatalyst for isomeric transformations, such as allo-cinnamylidene acetic acid to its normal form.[14] In catalysis, Ghosh advanced heterogeneous systems by applying differential thermal analysis (DTA) to characterize solid catalysts' thermal stability and phase transitions, enabling precise correlations between structure and activity. His Dacca group further probed gas-phase catalytic reactions, focusing on kinetics and mechanisms relevant to industrial synthesis, including auto-oxidation pathways.[15] These efforts integrated photochemistry principles, such as fluorescence quenching in catalytic cycles, yielding foundational data on light-enhanced surface reactions.[2]

Applications in Industrial Chemistry

Ghosh established pioneering research programs in gas reactions pertinent to industrial processes during his tenure at the University of Dacca from 1921 to 1939, marking the first such initiatives in India focused on practical chemical applications.[1] These efforts emphasized catalytic reactions under high pressure, including the synthesis of hydrocarbons such as methane, higher paraffins, and diolefins, with key studies published in 1935 and 1945.[1] Upon joining the Indian Institute of Science in Bangalore in 1939, Ghosh expanded his work to high-pressure industrial gas reactions, introducing specialized courses in fermentation technology and power engineering to bridge academic research with manufacturing needs.[1] His investigations into the Fischer-Tropsch process during the 1940s explored iron-copper catalysts promoted with rare earth oxides for converting carbon monoxide and hydrogen into liquid fuels, aiming to leverage India's coal resources for synthetic petroleum production.[1][2] In parallel, Ghosh elucidated the stepwise mechanism of ammonia synthesis from nitrogen and hydrogen, analyzing adsorption behaviors on catalysts under elevated pressures to optimize yields for fertilizer production.[1][2] His broader research was driven by the goal of developing economical syntheses of essential chemicals from indigenous raw materials, including phosphatic fertilizers, ammonium sulfate, formaldehyde, and potassium chlorate, to support self-reliant industrial growth in post-colonial India.[16] These studies culminated in collaborative publications, such as the 1960 book Some Catalytic Gas Reactions of Industrial Importance, co-authored with S.K. Bhattacharya and N.V.C. Shastri, which detailed scalable catalytic methods.[1]

Academic and Institutional Leadership

Professorships and Departmental Roles

Ghosh commenced his academic career at the University of Calcutta in 1915 as Assistant to the Palit Professor of Chemistry, where he assisted in organizing the Chemistry Department at the University College of Science.[1] Two years later, in 1917, he was appointed Lecturer in Chemistry at the same institution, delivering instruction in the newly inaugurated postgraduate classes and conducting research that built upon his prior work in electrolyte theory.[1][8] In 1921, Ghosh moved to the University of Dacca (now Dhaka University), assuming the roles of Professor of Chemistry and Head of the Department, positions he retained for 18 years until 1939.[1] Under his leadership, the department developed robust research programs in photochemistry and gas-phase reactions, training a generation of chemists and establishing Dacca as a center for experimental physical chemistry in the region.[1][17] His administrative oversight emphasized practical laboratory facilities and interdisciplinary applications, aligning departmental efforts with emerging industrial needs in British India.[1]

Directorship of the Indian Institute of Science

Ghosh was appointed Director of the Indian Institute of Science (IISc) on 1 August 1939, succeeding C. V. Raman, and served until December 1948 across two terms.[3][18] During his tenure, which spanned the Second World War, Ghosh prioritized institutional expansion amid wartime pressures, heading committees on industrial research and supporting British efforts through new projects in applied sciences and engineering.[3] He oversaw the establishment of several engineering departments, including Aeronautical Engineering (precursor to Aerospace Engineering), Metallurgy (now Materials Engineering), Chemical Engineering, Internal Combustion Engineering, and Power Engineering (later Mechanical Engineering), alongside introductions in high-voltage engineering, fermentation technology, and high-pressure industrial gas reactions.[3][18][1] These initiatives modernized the curriculum, broadened research facilities, and enhanced IISc's role in technical education, positioning it as a hub for applied scientific advancement in India.[3][18]

Establishment of IIT Kharagpur

In 1950, Jnan Chandra Ghosh was appointed as the director of the newly formed Eastern Higher Technical Institute at Kharagpur, which served as the precursor to India's first Indian Institute of Technology.[3][1] This appointment positioned him to lead the establishment of a premier technical institution aimed at advancing engineering and scientific education in post-independence India, drawing inspiration from global models like the Massachusetts Institute of Technology.[19] The institute was established on the grounds of the former Hijli Detention Camp, a site symbolically transformed from a colonial-era prison into a center for technical education.[20] IIT Kharagpur was formally inaugurated on August 18, 1951, by India's first Prime Minister, Jawaharlal Nehru, with Ghosh serving as the founding director.[21][22] The initial board of governors included West Bengal Chief Minister Bidhan Chandra Roy, reflecting governmental commitment to the project's national importance.[23] Under Ghosh's stewardship, IIT Kharagpur commenced operations with 10 departments, including classrooms, laboratories, and hostels to accommodate early students and faculty.[21] He prioritized rapid infrastructure development and curriculum design focused on practical engineering training, laying the foundation for the institute's expansion into a model for subsequent IITs.[24] Ghosh's leadership emphasized self-reliance in technical manpower development, aligning with India's industrial and scientific aspirations amid limited resources post-partition.[2] By inaugurating key facilities such as the Chemistry Department in 1951, he ensured the institute's early emphasis on foundational sciences integral to engineering.[4]

Administrative Roles in Independent India

Director-General of Supplies and Disposals

In 1947, shortly after India's independence, Jnan Chandra Ghosh was appointed as the first scientist to hold the position of Director-General of Supplies and Disposals in New Delhi, marking a shift toward incorporating scientific expertise into government procurement and industrial planning.[1] This role involved overseeing the disposal of surplus assets and the procurement of essential supplies for governmental needs, while extending into broader resource development strategies amid the nascent nation's economic reconstruction.[1] Ghosh's tenure emphasized collaboration with European and American experts to process and refine industrial schemes, particularly in heavy chemical industries, coal liquefaction, petrochemicals, and oil refineries.[1] He also formulated proposals for critical sectors including petroleum refining, machine tools, electrical cables, wireless equipment, and radar systems, addressing immediate post-partition shortages in technical capabilities and materials.[2] These efforts supported the Government of India's early plans for self-reliant resource utilization, leveraging his chemical engineering background to prioritize efficient, scalable processes over ad hoc imports.[1] A key outcome of his administration was highlighting systemic gaps in trained manpower, which informed national initiatives like the expansion of technical education under the All India Council of Technical Education.[1] Ghosh served until approximately 1950, after which he shifted focus to academic leadership, having laid groundwork for institutionalized industrial procurement and development frameworks.[1]

Vice-Chancellorship at the University of Calcutta

Jnan Chandra Ghosh assumed the role of Vice-Chancellor of the University of Calcutta on 12 April 1954, succeeding Justice Sambhunath Banerjee, and served until 14 May 1955.[25] His appointment came shortly after his directorship at the Indian Institute of Science and involvement in establishing IIT Kharagpur, reflecting his expertise in scientific education and administration.[2] During this brief tenure, Ghosh prioritized student welfare, implementing measures to provide enhanced facilities for study, rest, and recreation across the university's large student body.[1] These initiatives addressed practical needs in the post-independence educational landscape, where rapid enrollment growth strained existing infrastructure. His focus on such provisions was noted as unique contributions to improving campus life and supporting academic pursuits.[1] Ghosh also undertook a comprehensive survey of higher educational facilities in North 24 Parganas district in 1954, revealing significant gaps in access to degree-level education.[26] Based on his findings, he recommended the establishment of a dedicated degree college to serve the region's underserved population, influencing subsequent developments in local higher education expansion.[26] This administrative effort underscored his commitment to equitable educational opportunities amid India's nation-building efforts.

Contributions to National Resource Development

Ghosh served as the first scientist appointed Director-General of Supplies and Disposals in the Government of India starting in 1947, where he played a pivotal role in formulating plans for national resource development by processing industrial schemes in collaboration with European and American experts.[1] His efforts focused on leveraging India's natural resources for heavy chemical industries, including initiatives for coal liquefaction, petrochemical production, and oil refineries, aiming to convert domestic raw materials into value-added industrial outputs.[1] These schemes emphasized practical applications of scientific research to enhance self-reliance in resource utilization, particularly in energy and chemical sectors critical for post-independence economic rebuilding.[2] In 1955, Ghosh joined the Planning Commission as a Member, overseeing portfolios in education, scientific research, and health until his death in 1959, during which he contributed to integrating resource development into the framework of the Second Five-Year Plan (1956–1961).[2] He advocated for applying scientific methods to optimize natural resource exploitation, building on his earlier industrial chemistry expertise to support policies for sectors like petroleum refining and machine tools manufacturing, which relied on indigenous minerals and hydrocarbons.[1] Through the Commission, Ghosh influenced allocations for research aimed at resource-based industries, persuading the government to fund initiatives that linked scientific innovation directly to national resource strategies, thereby fostering long-term industrial growth.[2] His administrative interventions extended to securing financial commitments for resource-linked research, such as allocating approximately ₹1 crore for university projects in scientific infrastructure, which indirectly bolstered capabilities in resource processing technologies.[2] Ghosh's emphasis on evidence-based planning, drawn from empirical data on electrolyte behaviors and catalysis, ensured that resource development policies prioritized causal mechanisms for efficient extraction and conversion, avoiding unsubstantiated approaches prevalent in less rigorous institutional assessments.[1] This work laid foundational precedents for science-driven resource management in India's early planned economy.[2]

Honors, Recognition, and Legacy

Knighthood and Contemporary Awards

In the 1943 New Year Honours, Jnan Chandra Ghosh was appointed a Knight Bachelor by King George VI, recognizing his contributions to scientific research and technical education, particularly his leadership as Director of the Indian Institute of Science during World War II. The knighthood was formally invested later that year, elevating him to the style "Sir".[27] Ghosh received the Padma Bhushan, India's third-highest civilian award, in 1954 for his advancements in science and engineering.[28] This honor acknowledged his foundational work in electrochemistry, industrial applications, and institution-building in higher technical education post-independence.[29] Earlier in his career, Ghosh was awarded the Doctor of Science degree honoris causa by the University of Calcutta in 1918 for his dissertation on the conductivity of strong electrolytes.[1] In 1919, he received the Sir Taraknath Palit Scholarship, enabling advanced studies in physical chemistry abroad.[2] These recognitions highlighted his early empirical contributions to electrolyte theory, though they preceded his major administrative roles.

Posthumous Tributes and Enduring Impact

Ghosh's death on 21 January 1959 prompted the establishment of enduring memorials within India's scientific community. The Indian Chemical Society created the Acharya J. C. Ghosh Memorial Award, an annual honor recognizing exceptional contributions to chemical research and education by Indian chemists, with recipients selected based on nominations from society members.[30] The Sir Jnan Chandra Ghosh Memorial Lecture series further commemorates his legacy, featuring distinguished speakers on topics in chemistry and scientific administration. Notable instances include a 2019 lecture at IIT Kharagpur by Nobel laureate Bernard L. Feringa on molecular nanotechnology and a 2024 address by IISER Tirupati Director Santanu Bhattacharya at the same institution, underscoring ongoing recognition of Ghosh's foundational work.[16][31] Ghosh's enduring impact lies in his pivotal role in shaping India's technical education framework. As the first director of IIT Kharagpur, appointed in 1950 and serving until 1955, he oversaw its transformation from the Eastern Higher Technical Institute into a flagship engineering institution, laying the groundwork for the national IIT network that has produced thousands of engineers and advanced industrial research capabilities.[1][2] His emphasis on integrating research with practical application influenced subsequent institutional models, contributing to India's post-independence scientific self-reliance.[3]

References

  1. [PDF] JNAN CHANDRA GHOSH - Indian National Science Academy
  2. Jnan Chandra Ghosh - Vivekananda Vijnan Mission (VVM)
  3. He Wanted to Leave Something Behind that Lasted Forever
  4. [PDF] Sir Jnan Chandra Ghosh Memorial Lecture
  5. [PDF] One Hundred Years of Ghosh's Strong Electrolyte Theory
  6. Ghosh's Law | SpringerLink
  7. Strong Electrolytes and Ionisation - Nature
  8. [PDF] Ghosh's Law∗ - Indian Academy of Sciences
  9. One Hundred Years of Ghosh's Strong Electrolyte Theory
  10. [PDF] On Variation of Equivalent Conductance of Strong 1 : 1 Electrolytes ...
  11. Pseudolattice Theory of electrolyte solutions: Consistency analysis ...
  12. On Photochemical Reaction between Bromine and Tartaric Acid in ...
  13. Photochemical Reactions in Circularly Polarised ... - Cosmo Books
  14. [PDF] Journal of the Indian Chemical Society 1925: Vol 2 Index
  15. Sir J. C. Ghosh - A pioneer in photochemical - jstor
  16. [PDF] Sir Jnan Chandra Ghosh Memorial Lecture - IIT Kharagpur
  17. Collected Papers of Jnan Chandra Ghosh (An Old and Rare Book ...
  18. History - Indian Institute of Science
  19. Article 4
  20. history of iitkgp - International Relations | IIT Kharagpur
  21. Yesterdate: This day from Kolkata's past, August 18, 1951
  22. Inaugurated In Kharagpur In 1951, The First Indian Institute Of ...
  23. Kharagpur's legend - Frontline - The Hindu
  24. About IITKGP History - Indian Institute of Technology Kharagpur
  25. Vice-Chancellors|CU - University of Calcutta
  26. History - Brahmananda Keshab Chandra College
  27. The Craving for British Honours Among the Scientists of Colonial India
  28. 1954 - Padma Awards
  29. Jnan Ghosh Family Tree and Lifestory - iMeUsWe - FamousFamily
  30. Awards General Forms - Indian Chemical Society
  31. IISER Tirupati's Post - LinkedIn
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