# Prasanta Chandra Mahalanobis

> Indian scientist and statistician (1893–1972)

**Wikidata**: [Q561478](https://www.wikidata.org/wiki/Q561478)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Prasanta_Chandra_Mahalanobis)  
**Source**: https://4ort.xyz/entity/prasanta-chandra-mahalanobis

## Summary
Prasanta Chandra Mahalanobis was an Indian scientist and statistician who lived from 1893 to 1972. He is best known for founding the Indian Statistical Institute and developing the Mahalanobis distance, a statistical measure used in multivariate analysis.

## Biography
- Born: June 29, 1893
- Nationality: Indian
- Education: University of Cambridge (King's College)
- Known for: Founding the Indian Statistical Institute, developing the Mahalanobis distance
- Employer(s): Indian Statistical Institute, Planning Commission
- Field(s): Statistics, mathematics, economics

## Contributions
Prasanta Chandra Mahalanobis founded the Indian Statistical Institute in 1931, establishing it as a premier research institution in statistics and related fields. He developed the Mahalanobis distance, a statistical measure that quantifies the distance between a point and a distribution in multivariate space. Mahalanobis also created the Mahalanobis model, a Marxist-inspired framework for economic development planning. His work significantly influenced India's Five-Year Plans and statistical methodology in the country.

## FAQs
**What is Prasanta Chandra Mahalanobis known for?**
He is known for founding the Indian Statistical Institute and developing the Mahalanobis distance, a fundamental statistical measure.

**Where did Prasanta Chandra Mahalanobis study?**
He studied at the University of Cambridge, specifically at King's College.

**What awards did Prasanta Chandra Mahalanobis receive?**
He received the Padma Vibhushan, India's second-highest civilian award, and was elected a Fellow of the Royal Society.

**What was Prasanta Chandra Mahalanobis's role in Indian economic planning?**
He developed the Mahalanobis model for economic development and significantly influenced India's Five-Year Plans through his work with the Planning Commission.

## Why They Matter
Prasanta Chandra Mahalanobis revolutionized statistical science in India and globally through his development of the Mahalanobis distance, which remains a cornerstone of multivariate statistical analysis. His founding of the Indian Statistical Institute created a world-class institution that has trained generations of statisticians and produced groundbreaking research. His economic planning models directly shaped India's development trajectory in the post-independence era, demonstrating how statistical thinking could inform national policy. His legacy continues through the institute he founded and the statistical methods he pioneered.

## Notable For
- Founding the Indian Statistical Institute in 1931
- Developing the Mahalanobis distance measure
- Creating the Mahalanobis model for economic development
- Receiving the Padma Vibhushan award
- Being elected Fellow of the Royal Society
- Influencing India's Five-Year Plans
- Establishing statistics as a formal discipline in India

## Body
### Early Life and Education
Prasanta Chandra Mahalanobis was born on June 29, 1893, in India. He received his higher education at the University of Cambridge, where he studied at King's College. This British education would later influence his approach to establishing scientific institutions in India.

### Founding the Indian Statistical Institute
In 1931, Mahalanobis founded the Indian Statistical Institute (ISI), which he established as a premier research institution in statistics and related fields. The institute was recognized as an Institute of National Importance and became affiliated with the Association of Indian Universities. Located in Baranagar, West Bengal, the ISI has produced numerous notable researchers and academics in statistics, computer science, and artificial intelligence. The institute has subsidiaries in Chennai and Delhi, extending its reach across India.

### Development of the Mahalanobis Distance
Mahalanobis developed the Mahalanobis distance, a statistical measure that quantifies the distance between a point and a distribution in multivariate space. This measure accounts for correlations between variables and is scale-invariant, making it particularly useful in pattern recognition, cluster analysis, and classification problems. The Mahalanobis distance remains a fundamental tool in multivariate statistical analysis and is widely used in fields ranging from economics to machine learning.

### Economic Planning and the Mahalanobis Model
Mahalanobis created the Mahalanobis model, a Marxist-inspired framework for economic development planning. This model emphasized rapid industrialization through investment in heavy industries and became influential in India's economic planning. His work with the Planning Commission of India directly shaped the country's Five-Year Plans, demonstrating how statistical thinking could inform national economic policy. The model advocated for a two-sector approach, prioritizing capital goods production to drive economic growth.

### Professional Recognition and Awards
Mahalanobis received numerous honors for his contributions to science and statistics. He was awarded the Padma Vibhushan, India's second-highest civilian award, recognizing his exceptional service to the nation. He was also elected a Fellow of the Royal Society, one of the highest honors in British science. Additionally, he received the Weldon Memorial Prize for his contributions to the field of statistics.

### Legacy and Influence
The Indian Statistical Institute continues to be a leading institution in statistical research and education, carrying forward Mahalanobis's vision of establishing world-class scientific institutions in India. The Mahalanobis distance remains a fundamental tool in statistical analysis, used globally in various applications. His approach to economic planning influenced India's development strategy for decades, and his emphasis on the importance of statistics in national planning has had lasting impact on how countries approach data-driven policy making.

### Professional Affiliations
Throughout his career, Mahalanobis was affiliated with numerous prestigious organizations. He was a member of the Royal Society, the Russian Academy of Sciences, the Indian National Science Academy, the Econometric Society, the Royal Statistical Society, and the American Statistical Association. These affiliations reflect his international recognition and the global impact of his work in statistics and economics.

### Publications and Research
While specific publications are not detailed in the source material, Mahalanobis's work on the Mahalanobis distance and his economic planning models represent his most significant contributions to academic literature. His research helped establish statistics as a formal discipline in India and influenced statistical methodology worldwide.

### Impact on Indian Science
Mahalanobis played a crucial role in establishing statistics as a formal discipline in India. Through the Indian Statistical Institute, he created an institution that would train generations of statisticians and produce groundbreaking research. His work helped India develop its statistical infrastructure and capacity for data-driven decision making, which has been essential for the country's development and governance.

## References

1. MacTutor History of Mathematics archive
2. Mathematics Genealogy Project
3. [Encyclopædia Britannica 11th edition](https://www.britannica.com/biography/P-C-Mahalanobis)
4. [Encyclopædia Britannica](https://www.britannica.com/biography/P-C-Mahalanobis)
5. [Source](https://www.econometricsociety.org/society/organization-and-governance/fellows/memoriam)
6. International Standard Name Identifier
7. Virtual International Authority File
8. CiNii Research
9. SNAC
10. Croatian Encyclopedia
11. Freebase Data Dumps. 2013
12. Autoritats UB
13. National Library of Israel Names and Subjects Authority File
14. Catalogo of the National Library of India