The Interaction of Matter and Radiation: The Physics of C.V. Raman, S.N. Bose and M.N. Saha. Part 1: Historical Background

TL;DR

This paper explores the historical context of three groundbreaking physics discoveries—Saha ionization, Bose statistics, and the Raman effect—made in colonial India, highlighting their social, intellectual, and scientific backgrounds.

Contribution

It provides a detailed historical analysis of the social and scientific environment that led to major discoveries in matter-radiation interaction in colonial India.

Findings

Discovered in the early 20th century in India without prior modern physics tradition.

All discoveries made by faculty at Calcutta University starting from 1916.

These discoveries significantly advanced understanding of matter-radiation interaction.

Abstract

Three extraordinary physics discoveries were made from colonial India, which did not have any previous tradition of research in modern physics: Saha ionization equation (1920), Bose statistics (1924), Raman effect (1928). All the three discoverers were founding faculty members of the new small physics department of Calcutta University, which started functioning from 1916. These discoveries were all in the general topic of interaction between matter and radiation. In Part 1 of this article, we describe the social and the intellectual environment in which these discoveries were made. Part 2 will focus on the science involved in these discoveries.