Meghnad N. Saha (Bangla:মেঘনাদ সাহা) Devanagari]]: मेघनाद साहा) (October 6 1893 – February 16 1956) was an Bengali Indian astrophysicist. He was born on the 6 October, 1893 in a village named Shaoratoli near Dhaka in current day Bangladesh. He studied in Dhaka Collegiate School, and later in Dhaka College. He was a student at the Presidency College, Kolkata; a professor at Allahabad University from 1923 to 1938 and thereafter a professor and Dean of the Faculty of Science at the University of Calcutta until his death in 1956. He became Fellow of the Royal Society in 1927.

He invented an instrument to measure the weight and pressure of solar rays. He produced the famous equation which he called 'equation of the reaction - isobar for ionization' which later became known as Saha's "Thermo-Ionization Equation", or the Saha Equation.

Saha was the leading spirit in organizing the scientific societies like the 'National Academy of Science' (1930), the 'Indian Physical Society' (1934), 'Indian Institute of Science' (1935) and the 'Indian Association for the Cultivation of Science' (1944). The lasting memorial to him is the 'Saha Institute of Nuclear Physics' founded in 1943 in Kolkata. He was the chief architect of river planning in India. He prepared the original plan for Damodar Valley Project.

Obituaries

• Obs 76 (1956) 40 (one sentence)
• PASP 68 (1956) 282 (one paragraph)

External links

• Indian Association for the Cultivation of Science
• Indian Physical Society
• //banglapedia.org/HT/S_0022.htm" target="_blank" >Biography, from [[Banglapedia
• ScienceWorld: Saha Equation
• Biographical info

1893 births | 1956 deaths | Indian astronomers | Indian physicists | Bangladeshi physicists | Astrophysicists | People of Kolkata | Bangladeshi people | 20th century astronomers

মেঘনাদ সাহা | Meghnad Saha | Meghnad Saha | メグナード・サハ | मेघनाथ साहा