Keļallur Nīlakaṇṭha Somayāji, also referred to as Keļallur Comatiri, was a mathematician and astronomer of the Kerala school of astronomy and mathematics. One of his most influential works was the comprehensive astronomical treatise Tantrasamgraha completed in 1501. He had also composed an elaborate commentary on Aryabhatiya called the Aryabhatiya Bhasya. In this Bhasya, Nilakantha had discussed infinite series expansions of trigonometric functions and problems of algebra and spherical geometry. Grahapariksakrama is a manual on making observations in astronomy based on instruments of the time.
Nilakantha Somayaji, Indian astronomer and mathematician (died 1544)
On June 14, in the year 1444, Nilakantha Somayaji, Indian astronomer and mathematician (died 1544). This event is recorded as a Notable Births event in the history of June 14, one of 375 recorded events on this date across all of history.
1 notable person is associated with this event, including Nilakantha Somayaji. Learn more below.
Key Facts
- This event took place on June 14, 1444 (AD era).
- It is categorised as a Notable Births event in recorded history.
- Referenced in 1 Wikipedia article.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 18 May 2026.
On This Date in History 375
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