Upendranath Brahmachari, Physician, Scientist
Physician, Scientist

Upendranath Brahmachari

Born 19 December 1873 · West Bengal

Died 6 February 1946

Synthesized urea-stibamine in 1922 to effectively treat kala-azar.

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Rai Bahadur Sir Upendranath Brahmachari ; 19 December 1873 – 6 February 1946) was a prominent Indian physician and scientist. In 1922, he synthesised urea-stibamine (carbostibamide) and demonstrated its effectiveness in treating kala-azar.

✨ A detail that surprised us

Upendranath Brahmachari regarded his modest laboratory as a “place of worship,” underscoring the sacredness with which he approached his research.

1. In 1922, at Calcutta, Upendranath Brahmachari synthesized urea-stibamine, a compound that transformed treatment for kala-azar, a deadly parasitic disease devastating Bengal and Assam.

2. 🎓 Before this breakthrough, Brahmachari earned a BA with honors in Mathematics and Chemistry from Hooghly Mohsin College in 1893 and an MD from the University of Calcutta in 1902, excelling in both Medicine and Surgery in 1900.

3. 🦠 In 1922, he identified a new form of leishmaniasis—post-kala-azar dermal leishmaniasis—marked by facial eruptions without fever, expanding scientific understanding of the disease’s manifestations.

4. 🏅 Awarded the Kaisar-i-Hind Gold Medal and Rai Bahadur title in 1924, Brahmachari was knighted by the British Government in 1934, yet was nominated but never received the Nobel Prize despite multiple nominations in 1929 and 1942.

5. He served as president of the Indian Science Congress and Indian Chemical Society in 1936 and held fellowships with the Royal Society of Medicine, London, and the Indian National Science Academy, reflecting his standing in scientific circles.

6. After retiring from Calcutta Medical College in 1927, he continued teaching tropical diseases at Carmichael Medical College, contributing to medical education in Bengal until his death in 1946.

7. A six-story building at Nil Ratan Sircar Medical College and Hospital is named after him, housing emergency and specialty departments, linking his legacy directly to modern medical care in Kolkata.

8. ❓ How did Brahmachari’s ethnicity and colonial context influence the international recognition of his life-saving discovery, and why does his legacy remain less celebrated globally despite his Nobel nominations?

Awards & Honours

  • 🏅title of Rai Bahadur and the Kaisar-i-Hind Gold Medal

🔍 One thing most people don't know

Brahmachari was nominated for the Nobel Prize twice in 1929 and five times in 1942, yet never received it, with some sources suggesting his ethnicity influenced the Nobel committee's decisions.

🖼️ Through the Years

Upendranath Brahmachari portrait showing the Indian scientist and medical practitioner.
Upendranath Brahmachari portrait showing the Indian scientist and medical practitioner.

📅 The Journey

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Birth in Sardanga, West Bengal

Upendranath Brahmachari was born in Sardanga village near Purbasthali, Bengal Presidency, into a family with a medical background.

Wikipedia

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BA Honors in Mathematics and Chemistry

Completed BA with honors from Hooghly Mohsin College, laying foundation for interdisciplinary scientific work.

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Top Medical and Surgery Exams

Ranked first in Medicine and Surgery at University of Calcutta, earning Goodeve and Macleod awards.

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PhD on Haemolysis Studies

Awarded PhD from University of Calcutta for research in physiology, merging medical and chemical sciences.

Synthesizes Urea-Stibamine

Developed urea-stibamine at Calcutta Medical College, pioneering kala-azar treatment.

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Receives Kaisar-i-Hind Medal and Rai Bahadur

Honored by British authorities with Kaisar-i-Hind Gold Medal and Rai Bahadur title for medical service.

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Knighted by British Government

Received knighthood for contributions to tropical medicine and public health.

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Death in Calcutta

Passed away in Calcutta after decades of medical research and teaching.

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1893
1900
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1922
1924
1934
1946

🗝️ Discoveries

🏆

In 1922, Brahmachari discovered post-kala-azar dermal leishmaniasis, a skin condition arising after kala-azar infection, previously unrecognized in tropical medicine.

Source: Wikipedia

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Brahmachari earned his PhD in 1904 for his research on 'Studies in Haemolysis' from the University of Calcutta, showing early interdisciplinary work between medicine and chemistry.

Source: Wikipedia

🔍

Despite his scientific stature, Brahmachari’s name is often overshadowed, with a Kolkata street bearing his name rarely recognized, reflecting broader neglect of Indian scientists in public memory.

Source: Hindu Vivek Kendra article

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In 1900, Brahmachari topped the University of Calcutta exams in both Medicine and Surgery, winning prestigious Goodeve and Macleod awards, achievements rarely matched then.

Source: Wikipedia

👤

His father Nilmony Brahmachari was a railway physician in East Indian Railways, influencing Upendranath’s early life and exposure to medical sciences in colonial India.

Source: Wikipedia

🎥 Speeches & Recordings

History of Upendranath Brahmachari | Tamil

Explore the life and achievements of Upendranath Brahmachari in this detailed Tamil documentary.

YouTube

📖 Curated Sources

🌱 What changed because of them

Brahmachari’s synthesis of urea-stibamine revolutionized kala-azar treatment, saving countless lives in India and beyond. His work influenced tropical medicine education at institutions like Carmichael Medical College and remains commemorated through infrastructure like the building named after him at Nil Ratan Sircar Medical College. Despite British honors, his contributions highlight challenges Indian scientists faced in gaining international recognition during colonial times.

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