Meghnad Saha
Technical Data
| Date of Issue | December 23, 1993 |
|---|---|
| Denomination | Rs. 1 |
| Quantity | 600,000 |
| Perforation | comb 13 x 13½ |
| Printer | Security Printing Press, Nashik |
| Watermark | No Watermark |
| Colors | Dark violet blue |
| Catalog Codes |
Michel IN 1409 Stamp Number IN 1471 Yvert et Tellier IN 1207 Stanley Gibbons IN 1559 |
| Themes | Astronomy | Commemoration | Famous people | Men | Optical Instruments | Scientists | Sun |
Table of Contents
Professor Meghnad Saha: Centenary Commemoration
Biographical Sketch:
- Early Life and Background: Meghnad Saha, born into a weak section of society, rose through his unwavering spirit, determination, and dedication to become one of India’s intellectual giants.
- Epoch of Change: He lived through a time of significant social and intellectual upheaval and maintained his prominence in contemporary scientific and social movements.
Scientific Contributions:
- Thermal Ionisation Theory: His most notable contribution is the theory of thermal ionisation, which revolutionized theoretical astrophysics and laid the foundation for future advancements in the field.
- Additional Contributions: Saha also made significant contributions to magnetism, statistical physics, ionospheric physics, and nuclear physics, and was an early contributor to the concept of monopoles.
- Recognition: He was honored with the fellowship of the Royal Society for his outstanding scientific achievements.
Institution Building:
- Nuclear Physics Group: As the Palit Professor of Physics at Calcutta University, Saha built a strong group of nuclear physicists, leading to the founding of the Institute of Nuclear Physics.
- Pioneering Research: At the Institute, he initiated pioneering research in particle accelerators, nuclear magnetic resonance, and modern biophysics.
- Leadership at IACS: In 1953, Saha took leadership of the Indian Association for the Cultivation of Science, creating new facilities and infrastructure for the institution.
Philosophy and Impact:
- Experimental Emphasis: Despite being a theoretician, Saha emphasized the importance of experimental research, as reflected in his programs and initiatives.
- Harnessing Initiative: He demonstrated the ability to harness the initiative of common people in all his efforts, both scientific and social.
- National Planning Advocate: Saha was a strong advocate for national planning, playing a crucial role in the formation of the National Planning Committee under the Indian National Congress before independence.
Commemoration:
- Centenary Year: 1993 marks the birth centenary of Professor Meghnad Saha.
- Commemorative Stamp: The Department of Posts issued a commemorative postage stamp to honor Saha’s contributions to Indian science.
- Design Credits:
- Stamp: Designed by the Saha Institute of Nuclear Physics.
- First Day Cover (FDC): Based on materials supplied by the Indian National Science Academy, New Delhi, and depicts a sketch of Saha with his signature.
- Cancellation: Designed by Mrs. Alka Sharma, Artist, Department of Posts.
Professor Meghnad Saha’s legacy as a “prophet of Indian Science” endures through his groundbreaking work, institutional contributions, and unwavering commitment to the advancement of both science and society in India.